2017

P. Nerzic, H. Jaudoin, and O. Pivert. Parallel Processing Strategies for Skyline Queries Tolerant to Outliers. International Journal of Intelligent Systems, to appear.

O. Pivert, O. Slama, and V. Thion. Fuzzy Quantified Queries to Fuzzy RDF Databases. In Proc. of the 26th IEEE International Conference on Fuzzy Systems (Fuzz-IEEE'17), Naples, Italy, 2017.

G. Smits, R.R. Yager, and O. Pivert. Interactive Data Exploration on Top of Linguistic Summaries. In Proc. of the 26th IEEE International Conference on Fuzzy Systems (Fuzz-IEEE'17), Naples, Italy, 2017.

A. Moreau, O. Pivert, and G. Smits. A Typicality-Based Recommendation Approach Leveraging Demographic Data. In Proc. of the 12th International Conference on Flexible Query Answering Systems (FQAS'17), London, UK, LNCS vol. 10333, Springer, pages 71-83, 2017.

G. Smits, O. Pivert, and M.-J. Lesot. Vocabulary Elicitation for Informative Descriptions of Classes. In Proc. of the Joint 17th World Congress of International Fuzzy Systems Association and 9th International Conference on Soft Computing and Intelligent Systems (IFSA-SCIS’17), Otsu, Japan, 2017.

G. Smits, O. Pivert, and P. Nerzic. Calcul, stockage et utilisation efficaces de résumés linguistiques de données massives. In Actes des Rencontres Francophones sur la Logique Floue et ses Applications (LFA'17), Amiens, France, 2017.


2016

T. Andreasen, H. Christiansen, J. Kacprzyk, H. Larsen, G. Pasi, O. Pivert, G. De Tré, M.A. Vila, A. Yazici, and S. Zadrozny, editors. Flexible Query Answering Systems 2015, Proceedings of the 11th International Conference FQAS 2015, Cracow, Poland, October 26-28, 2015, Advances in Intelligent Systems and Computing, vol. 400, Springer, 2016.

H. Jaudoin, P. Nerzic, O. Pivert, and D. Rocacher. On Making Skyline Queries Resistant to Outliers. In F. Guillet, B. Pinaud, G. Venturini, editors, Advances in Knowledge Discovery and Management vol. 6, Studies in Computational Intelligence, pages 19-38, Springer, 2016.

G. Smits and O. Pivert. Une approche coopérative d’aide à la réparation de requêtes floues. Ingénierie des Systèmes d’Information, 21(3):11-30, 2016.

O. Pivert, O. Slama, and V. Thion. An Extension of SPARQL with Fuzzy Navigational Capabilities for Querying Fuzzy RDF Data. In Proc. of the 25th IEEE International Conference on Fuzzy Systems (Fuzz-IEEE'16), Vancouver, Canada, 2016.

G. Smits, O. Pivert, and R.R. Yager. A Soft Computing Approach to Agile Business Intelligence. In Proc. of the 25th IEEE International Conference on Fuzzy Systems (Fuzz-IEEE'16), Vancouver, Canada, 2016.

O. Pivert, O. Slama, and V. Thion. SPARQL Extensions with Preferences: a Survey. In Proc. of the 31st ACM Symposium on Applied Computing (SAC'16), Pisa, Italy, 2016.

O. Pivert and H. Prade. Possibilistic Conditional Tables. In Proc. of the 9th International Symposium on Foundations of Information and Knowledge Systems (FoIKS'16), Linz, Austria, LNCS vol. 9616, Springer, pages 42-61, 2016.

A. Moreau, O. Pivert, and G. Smits. A Fuzzy Approach to the Characterization of Database Query Answers. In Proc. of the 16th International Conference on Information Processing and Management of Uncertainty in Knowledge-Based Systems (IPMU’16), Eindhoven, The Netherlands, CCIS vol. 611, Springer, pages 329-340, 2016.

O. Pivert, O. Slama, and V. Thion. Fuzzy Quantified Structural Queries to Fuzzy Graph Databases. In Proc. of the 10th International Conference on Scalable Uncertainty Management (SUM’16), Nice, France, LNAI vol. 9858, Springer, pages 260-273, 2016.

O. Pivert, O. Slama, G. Smits, and V. Thion. A Fuzzy Extension of SPARQL for Querying Gradual RDF Data. In Proc. of the 10th IEEE International Conference on Research Challenges in Information Science (RCIS'16), poster session, Grenoble, France, 2016.

O. Pivert, O. Slama, G. Smits, and V. Thion. SUGAR: A Graph Database Fuzzy Querying System. In Proc. of the 10th IEEE International Conference on Research Challenges in Information Science (RCIS'16), demo paper, Grenoble, France, 2016.

G. Smits, K. Dramé, and O. Pivert. IKEYS: Interactive Keyword Search Dedicated to Corporate Data, In Proc. of the 20th International Conference on Knowledge Engineering and Knowledge Management (EKAW’16), demo paper, Bologna, Italy, 2016.

O. Pivert, O. Slama, and V. Thion. FURQL : une extension floue du langage SPARQL. In Actes des 32es Journées Bases de Données Avancées (BDA'16), Poitiers, France, 2016.

A. Moreau, O. Pivert, and G. Smits. Caractérisation floue de clusters de réponses. In Actes des Rencontres Francophones sur la Logique Floue et ses Applications (LFA'16), La Rochelle, France, pages 235-243, 2016.

O. Pivert, O. Slama, and V. Thion. Requêtes quantifiées floues structurelles sur des bases de données graphe. In Actes des Rencontres Francophones sur la Logique Floue et ses Applications (LFA'16), La Rochelle, France, pages 9-16, 2016.


2015

F. Esposito, O. Pivert, M.-S. Hacid, Z. Ras, and S. Ferilli, editors. Foundations of Intelligent Systems, 22nd International Symposium, ISMIS 2015, Lyon, France, October 21-23, 2015. Proceedings. LNAI vol. 9384, Springer, 2015.

O. Pivert and H. Prade. A Certainty-Based Model for Uncertain Databases. IEEE Transactions on Fuzzy Systems, 23(4):1181-1196, 2015.

G. Smits, O. Pivert, and T. Girault. Interrogation floue de bases de données relationnelles : de la théorie à la pratique, Revue d'Intelligence Artificielle, 29(5):569-593, 2015.

O. Pivert and G. Smits. How to Efficiently Diagnose and Repair Fuzzy Database Queries that Fail. In D. Tamir, N. Rishe, and A. Kandel, editors. Fifty Years of Fuzzy Logic and its Applications, Studies in Fuzziness and Soft Computing, vol. 326, Springer, pages 499-517, 2015.

O. Pivert, G. Smits, and V. Thion. Expression and Efficient Processing of Fuzzy Queries in a Graph Database Context, Proc. of the 24th IEEE International Conference on Fuzzy Systems (Fuzz-IEEE'15), Istanbul, Turkey, 2015.

W. Correa Beltran, H. Jaudoin, and O. Pivert. A Clustering-Based Approach to the Mining of Analogical Proportions. Proc. of the 27th IEEE International Conference on Tools with Artificial Intelligence (ICTAI'15), Vietri sul Mare, Italy, pages 125-131, 2015.

G. Smits, O. Pivert, and V. Thion. Connected Keywords, In Proc. of the 9th IEEE International Conference on Research Challenges in Information Science (RCIS’15), Athens, Greece, pages 112-120, 2015.

O.Pivert and H. Prade. Database Querying in the Presence of Suspect Values. In Proc. of the 19th East-European Conference on Advances in Databases and Information Systems (ADBIS’15), Poitiers, France, CCIS vol. 539, Springer, pages 44-51, 2015.

G. Smits and O. Pivert. Linguistic and Graphical Explanation of a Cluster-Based Data Structure. In Proc. of the 9th International Conference on Scalable Uncertainty Management (SUM’15), Quebec City, Canada, LNAI vol. 9310, Springer, pages 186-200, 2015.

A. Moreau, O. Pivert, and G. Smits. A Clustering-Based Approach to the Explanation of Database Query Answers. In Proc. of the 11th International Conference on Flexible Query Answering Systems (FQAS'15), Cracow, Poland, pages 307-319, 2015.

W. Correa Beltran, H. Jaudoin, and O. Pivert. Analogical Database Queries. In Proc. of the 11th International Conference on Flexible Query Answering Systems (FQAS'15), Cracow, Poland, pages 201-213, 2015.

O. Pivert and H. Prade. A Certainty-Based Approach to the Cautious Handling of Suspect Values. In Proc. of the 11th International Conference on Flexible Query Answering Systems (FQAS'15), Cracow, Poland, pages 73-85, 2015.

K. Dramé, G. Smits and O. Pivert. Coarse to Fine Keyword Queries with User Interactions. In Proc. of the 17th International Conference on Information Integration and Web-based Applications & Services (iiWAS 2015), Brussels, Belgium, 2015.

W. Correa Beltran, H. Jaudoin, and O. Pivert. Découverte de proportions analogiques dans les bases de données: une première approche. In Actes de la 15e Conférence Internationale Francophone sur l'Extraction et la Gestion des Connaissances (EGC'15), Luxembourg, pages 155-166, 2015.

G. Smits and O. Pivert. Une approche coopérative d'aide à la réparation de requêtes floues. In Actes des 31e Journées Bases de Données Avancées (BDA'15), Île de Porquerolles, France, 2015.

O. Pivert and G. Smits. Réparation efficace de requêtes floues. In Actes des Rencontres Francophones sur la Logique Floue et ses Applications (LFA'15), Poitiers, France, pages 27-34, 2015.

G. Smits and O. Pivert. Explications linguistiques et graphiques de groupes de données. In Actes des Rencontres Francophones sur la Logique Floue et ses Applications (LFA'15), Poitiers, France, pages 19-26, 2015.


2014

O. Pivert and S. Zadrozny, editors. Flexible Approaches in Data, Information and Knowledge Management, Studies in Computational Intelligence, vol. 497, Springer, 2014.

N. Bidoit, P. Bosc, L. Cholvy, O. Pivert, and M.-C. Rousset. Bases de données et intelligence artificielle. In P. Marquis, O. Papini, and H. Prade, editors. Panorama actuel de l'intelligence artificielle : ses bases méthodologiques, ses développements, Cépaduès, 2014.

G. Smits, O. Pivert, H. Jaudoin, and F. Paulus. AGGREGO SEARCH: Interactive Keyword Query Construction. In Proc. of the 17th International Conference on Extending Database Technology (EDBT'14), demo session, Athens, Greece, pages 636-639, 2014.

H. Jaudoin, O. Pivert, and D. Rocacher. Exception-Tolerant Skyline Queries. In Proc. of the 15th International Conference on Information Processing and Management of Uncertainty in Knowledge-Based Systems (IPMU'14), Montpellier, France, CCIS vol. 444, Springer, page 120-129, 2014.

W. Correa Beltran, H. Jaudoin, and O. Pivert. Estimating Null Values in Relational Databases Using Analogical Proportions. In Proc. of the 15th International Conference on Information Processing and Management of Uncertainty in Knowledge-Based Systems (IPMU'14), Montpellier, France, CCIS vol. 444, Springer, pages 110-119, 2014.

G. Smits, O. Pivert, and M.-J. Lesot. A Vocabulary Revision Method Based on Modality Splitting. In Proc. of the 15th International Conference on Information Processing and Management of Uncertainty in Knowledge-Based Systems (IPMU'14), Montpellier, France, CCIS vol. 444, Springer, pages 140-149, 2014.

O. Pivert and H. Prade. Dealing with Aggregate Queries in an Uncertain Database Model Based on Possibilistic Certainty. In Proc. of the 15th International Conference on Information Processing and Management of Uncertainty in Knowledge-Based Systems (IPMU'14), Montpellier, France, CCIS vol. 444, Springer, pages 150-159, 2014.

O. Pivert and G. Smits. Plethoric Answers to Fuzzy Queries: A Reduction Method Based on Query Mining. In Proc. of the 21st International Symposium on Methodologies for Intelligent Systems (ISMIS'14), Roskilde, Denmark, LNAI vol. 8502, Springer, pages 295-304, 2014.

H. Jaudoin, O. Pivert, G. Smits, and V. Thion. Data-Quality-Aware Skyline Queries. In Proc. of the 21st International Symposium on Methodologies for Intelligent Systems (ISMIS'14), Roskilde, Denmark, LNAI vol. 8502, Springer, pages 530-535, 2014.

W. Correa Beltran, H. Jaudoin, and O. Pivert. Analogical Prediction of Null Values: The Numerical Attribute Case. In Proc. of the 18th East-European Conference on Advances in Databases and Information Systems (ADBIS'14), Ohrid, Republic of Macedonia, LNCS vol. 8716, Springer, pages 323-336, 2014.

W. Correa Beltran, H. Jaudoin, and O. Pivert. Lazy Analogical Classification: Optimization and Precision Issues. In Proc. of the 8th International Conference on Scalable Uncertainty Management (SUM'14), Oxford, UK, LNAI vol. 8720, Springer, pages 80-85, 2014.

O. Pivert and H. Prade. Skyline Queries in an Uncertain Database Model Based on Possibilistic Certainty. In Proc. of the 8th International Conference on Scalable Uncertainty Management (SUM'14), Oxford, UK, LNAI vol. 8720, Springer, pages 280-285, 2014.

O. Pivert and H. Prade. Querying Uncertain Multiple Sources. In Proc. of the 8th International Conference on Scalable Uncertainty Management (SUM'14), Oxford, UK, LNAI vol. 8720, Springer, pages 286-291, 2014.

O. Pivert, V. Thion, H. Jaudoin, and G. Smits. On a Fuzzy Algebra for Querying Graph Databases. In Proc. of the 26th IEEE International Conference on Tools with Artificial Intelligence (ICTAI'14), Limassol, Cyprus, pages 748-755, 2014.

H. Jaudoin, O. Pivert, and D. Rocacher. Requêtes skyline en présence d'exceptions. In Actes de la 14e Conférence Internationale Francophone sur l'Extraction et la Gestion des Connaissances (EGC'14), Rennes, France, pages 329-340, 2014.

W. Correa Beltran, H. Jaudoin, and O. Pivert. Prédiction de valeurs manquantes dans les bases de données -- Une première approche fondée sur la notion de proportion analogique. In Actes de la 14e Conférence Internationale Francophone sur l'Extraction et la Gestion des Connaissances (EGC'14), Rennes, France, pages 485-490, 2014.

O. Pivert, V. Thion, H. Jaudoin, and G. Smits. Une algèbre floue pour l'interrogation flexible de bases de données graphes. In Actes des 30e journées Bases de Données Avancées (BDA'14), Grenoble-Autrans, France, 2014.

G. Smits, O. Pivert, and M.-J. Lesot. Ajustement automatique de vocabulaire expert par scission de modalité. In Actes des Rencontres Francophones sur la Logique Floue et ses Applications (LFA'14), Cargèse, France, 2014.

P. Nerzic, G. Smits, and O. Pivert. Un nouvel usage des prédicats flous pour l’interrogation flexible de base de données. In Actes des Rencontres Francophones sur la Logique Floue et ses Applications (LFA'14), Cargèse, France, 2014.

O. Pivert, G. Smits, A. Moreau, and H. Jaudoin. Réponses connexes fondées sur des associations typiques. In Actes des Rencontres Francophones sur la Logique Floue et ses Applications (LFA'14), Cargèse, France, 2014.


2013

P. Bosc and O. Pivert. On a fuzzy bipolar relational algebra. Information Sciences, 219:1-16, 2013.

G. Smits, O. Pivert, and T. Girault. ReqFlex: Fuzzy queries for everyone. PVLDB, 6(12):1206-1209, 2013.

P. Bosc and O. Pivert. Querying possibilistic databases: Three interpretations. In R.R. Yager, A.M. Abbasov, M. Reformat, and S.N. Shahbazova, editors. Soft Computing: State of the Art Theory and Novel Applications, Studies in Fuzziness and Soft Computing, volume 291, pages 161-176, Springer, 2013.

G. Smits, O. Pivert, and A. Hadjali. Fuzzy cardinalities as a basis to cooperative answering. In O. Pivert and S. Zadrozny, editors. Flexible Approaches in Data, Information and Knowledge Management, Studies in Computational Intelligence, volume 497, pages 261-289, Springer, 2013.

G. Smits, O. Pivert, and T. Girault. Towards reconciling expressivity, efficiency and user-friendliness in database flexible querying. In Proc. of the 22th IEEE International Conference on Fuzzy Systems (FUZZ-IEEE'13), Hyderabad, India, 2013.

M.-J. Lesot, G. Smits, and O. Pivert. Adequacy of a user-defined vocabulary to the data structure. In Proc. of the 22th IEEE International Conference on Fuzzy Systems (FUZZ-IEEE'13), Hyderabad, India, 2013.

L. Liétard, O. Pivert, and D. Rocacher. On a graded inclusion of bipolar fuzzy relations. In Proc. of the 8th International Conference of the European Society for Fuzzy Logic and Technology (EUSFLAT'13), Milano, Italy, 2013.

O. Pivert, G. Smits, and H. Jaudoin. Finding similar objects in relational databases -- An association-based fuzzy approach. In Proc. of the 10th International Conference on Flexible Query Answering Systems (FQAS'13), Granada, Spain, LNAI vol. 8132, pages 425-436, 2013.

G. Smits, O. Pivert, H. Jaudoin, and F. Paulus. An autocompletion mechanism for enriched keyword queries to RDF data sources. In Proc. of the 10th International Conference on Flexible Query Answering Systems (FQAS'13), Granada, Spain, LNAI vol. 8132, pages 601-612, 2013.

G. Smits, O. Pivert, and T. Girault. Requêtes floues et SGBD relationnels : vers un couplage renforcé. In Actes des Rencontres Francophones sur la Logique Floue et ses Applications (LFA'13), Reims, pages 77-84, 2013.

M.-J. Lesot, G. Smits, and O. Pivert. Mesures d'adéquation entre vocabulaire expert et structure de données. In Actes des Rencontres Francophones sur la Logique Floue et ses Applications (LFA'13), Reims, pages 243-250, 2013.


2012

O. Pivert and P. Bosc. Fuzzy Preference Queries to Relational Databases. Imperial College Press, February 2012.

P. Bosc, G. De Tré, J. Dujmovic, A. Hadjali, O. Pivert, R. Ribeiro, and S. Zadrozny, editors. Advances in Soft Computing Applied to Databases and Information Systems, Special Issue of Fuzzy Sets and Systems, volume 196. Elsevier, 2012.

P. Bosc and O. Pivert. On four noncommutative fuzzy connectives and their axiomatization. Fuzzy Sets and Systems, 202:42-60, 2012.

P. Bosc, O. Pivert, and G. Smits. An approach to database preference queries based on an outranking relation. International Journal of Computational Intelligence Systems, 5(4):789-804, 2012. *** IFSA 2013 Best Paper Award (L.A. Zadeh Prize) ***

A. Hadjali, A. Mokhtari, and O. Pivert. On a fuzzy-rule-based model for handling contextual preference queries. International Journal of Computational Intelligence Systems, 5(4):775-788, 2012.

A. Hadjali, A. Mokhtari, and O. Pivert. Expressing and processing complex preferences in route planning queries: Towards a fuzzy-set-based approach. Fuzzy Sets and Systems, 196:82-104, 2012.

P. Bosc, A. Hadjali, O. Pivert, and G. Smits. An approach based on predicate correlation to the reduction of plethoric answer sets. In F. Guillet, G. Ritschard, and D. Zighed, editors, Advances in Knowledge Discovery and Management Vol. 2, Studies in Computational Intelligence, vol. 398, pages 213-234. Springer, 2012.

P. Bosc and O. Pivert. On a reinforced fuzzy inclusion and its application to database querying. In Proc. of the 14th International Conference on Information Processing and Management of Uncertainty in Knowledge-Based Systems (IPMU'12), Catania, Italy, CCIS vol. 297, Springer, pages 351-360, 2012.

O. Pivert and H. Prade. Detecting suspect answers in the presence of inconsistent information. In Proc. of the 7th International Symposium on Foundations of Information and Knowledge Systems (FoIKS'12), Kiel, Germany, LNCS vol. 7153, Springer, pages 278-297, 2012.

O. Pivert and G. Smits. Towards an efficient processing of outranking-based preference queries. In Proc. of the 14th International Conference on Information Processing and Management of Uncertainty in Knowledge-Based Systems (IPMU'12), Catania, Italy, CCIS vol. 297, Springer, pages 471-480, 2012.

O. Pivert and G. Smits. On fuzzy preference queries explicitly handling satisfaction levels. In Proc. of the 14th International Conference on Information Processing and Management of Uncertainty in Knowledge-Based Systems (IPMU'12), Catania, Italy, CCIS vol. 297, Springer, pages 341-350, 2012.

O. Pivert and G. Smits. On a preference query language that handles symbolic scores. In Proc. of the 16th East-European Conference on Advances in Databases and Information Systems (ADBIS'12), Poznan, Poland, LNCS vol. 7503, Springer, pages 296-309, 2012.

G. Smits and O. Pivert. A fuzzy-summary-based approach to faceted search in relational databases. In Proc. of the 16th East-European Conference on Advances in Databases and Information Systems (ADBIS'12), Poznan, Poland, LNCS vol. 7503, Springer, pages 357-370, 2012.

O. Pivert, G. Smits, A Hadjali, and H. Jaudoin. LUCIFER : Un système de détection de conflits dans les requêtes flexibles. In Actes de la 12e Conférence Internationale Francophone sur l'Extraction et la Gestion des Connaissances (EGC'12), Bordeaux, France, pages 617-620, 2012.

P. Bosc and O. Pivert. A propos de trois connecteurs flous et de leur usage dans des requêtes flexibles. In Actes des 28e journées Bases de Données Avancées (BDA'12), Clermont-Ferrand, France, 2012.

O. Pivert and H. Prade. Détecter les réponses suspectes en présence de données inconsistantes. In Actes des 28e journées Bases de Données Avancées (BDA'12), Clermont-Ferrand, France, 2012.

O. Pivert, G. Smits, H. Jaudoin, and A. Hadjali. Détection efficace de conflits dans les requêtes floues. In Actes des Rencontres Francophones sur la Logique Floue et ses Applications (LFA'12), Compiègne, pages 97-104, 2012.

T. Girault, H. Jaudoin, and O. Pivert. Flexible access to fuzzy data for biodiversity monitoring. In Actes des 28e journées Bases de Données Avancées (BDA'12), Session démonstrations, Clermont-Ferrand, France, 2012.

G. Smits, O. Pivert, and T. Girault. PostgreSQLf : un système d'interrogation floue. In Actes des 28e journées Bases de Données Avancées (BDA'12), Session démonstrations, Clermont-Ferrand, France, 2012.


2011

P. Bosc, A. Hadjali, and O. Pivert. On database queries involving competitive conditional preferences. International Journal of Intelligent Systems, 26(3):206-227, 2011.

P. Bosc and O. Pivert. On diverse approaches to bipolar division operators. International Journal of Intelligent Systems, 26(10):911-929, 2011.

P. Bosc, O. Pivert, and O. Soufflet. On three classes of division queries involving ordinal preferences. Journal of Intelligent Information Systems, 37(3):315-331, 2011.

P. Bosc, O. Pivert, and O. Soufflet. Strict and tolerant antidivision queries with ordinal layered preferences. International Journal of Approximate Reasoning, 52(1):38-48, 2011.

P. Bosc, A. Hadjali, and O. Pivert. On possibilistic skyline queries. In Proc. of the 9th International Conference on Flexible Query Answering Systems (FQAS'11), Ghent, Belgium, LNAI vol. 7022, Springer, pages 412-423, 2011.

P. Bosc and O. Pivert. On three fuzzy connectives for flexible data retrieval and their axiomatization. In Proc. of the 26th ACM Symposium on Applied Computing (SAC'11), Taichung, Taiwan, pages 1114-1118, 2011. http://dl.acm.org/authorize?10867

P. Bosc and O. Pivert. On the negation of bipolar fuzzy conditions. In Proc. of the 30th North American Fuzzy Information Processing Society Conference (NAFIPS'11), El Paso, TX, USA, 2011. *** Outstanding paper award ***

P. Bosc and O. Pivert. On three semantics of queries in a possibilistic database framework. In Proc. of the World Conference on Soft Computing (WCSC'11), San Francisco, CA, USA, 2011.

P. Bosc and O. Pivert. On a strengthening connective for flexible database querying. In Proc. of the 20th IEEE International Conference on Fuzzy Systems (FUZZ-IEEE'11), Taipei, Taiwan, pages 1233-1238, 2011.

P. Bosc, O. Pivert, and G. Smits. A preference query model based on a fusion of local orders. In Proc. of the 11th European Conference on Symbolic and Quantitative Approaches to Reasoning with Uncertainty (ECSQARU'11), Belfast, Northern Ireland, UK, LNAI vol. 6717, Springer, pages 725-736, 2011.

A. Hadjali and O. Pivert. A fuzzy-rule-based approach to the handling of inferred fuzzy predicates in database queries. In Proc. of the 9th International Conference on Flexible Query Answering Systems (FQAS'11), Ghent, Belgium, LNAI vol. 7022, Springer, pages 448-459, 2011.

A. Hadjali, O. Pivert, and H. Prade. On different types of fuzzy skylines. In Proc. of the 19th International Symposium on Methodologies for Intelligent Systems (ISMIS'11), Warsaw, Poland, LNAI vol. 6804, Springer, pages 581-591, 2011.

H. Jaudoin and O. Pivert. Answering fuzzy queries using imprecise views. In Proc. of the 15th East-European Conference on Advances in Databases and Information Systems (ADBIS'11), Vienna, Austria, LNCS vol. 6909, Springer, pages 257-270, 2011.

O. Pivert, A. Hadjali, and G. Smits. On database queries involving inferred fuzzy predicates. In Proc. of the 19th International Symposium on Methodologies for Intelligent Systems (ISMIS'11), Warsaw, Poland, LNAI vol. 6804, Springer, pages 592-601, 2011.

O. Pivert, A. Hadjali, and G. Smits. Searching for a compromise between satisfaction and diversity in database fuzzy querying. In Proc. of the joint 7th Conference of the European Society for Fuzzy Logic and Technology (EUSFLAT'11) and Rencontres Francophones sur la Logique Floue et ses Applications (LFA'11), Aix-Les-Bains, France, pages 402-408, 2011.

O. Pivert, G. Smits, and A. Hadjali. Processing fuzzy queries in a peer data management system using distributed fuzzy summaries. In Proc. of the 5th International Conference on Scalable Uncertainty Management (SUM'11), Dayton, OH, USA, LNAI vol. 6929, Springer, pages 359-372, 2011.

O. Pivert, G. Smits, A. Hadjali, and H. Jaudoin. Efficient detection of minimal failing subqueries in a fuzzy querying context. In Proc. of the 15th East-European Conference on Advances in Databases and Information Systems (ADBIS'11), Vienna, Austria, LNCS vol. 6909, Springer, pages 243-256, 2011.

A. Hadjali, A. Mokhtari, and O. Pivert. Une approche à base de règles floues pour les requêtes à préférences contextuelles. In Actes de la 11e Conférence Internationale Francophone sur l'Extraction et la Gestion des Connaissances (EGC'11), Brest, France , pages 293-294, 2011.

P. Bosc and O. Pivert. Une algèbre relationnelle bipolaire floue. In Actes du 29e Congrès INFORSID, Lille, France, pages 79-94, 2011.


2010

P. Bosc and O. Pivert. Modeling and querying uncertain relational databases: A survey of approaches based on the possible worlds semantics, International Journal of Uncertainty, Fuzziness and Knowledge-Based Systems, 18(5):565-603, 2010.

Z. Bellahsene, S. Benbernou, H. Jaudoin, F. Pinet, O. Pivert, F. Toumani, S. Bernard, P. Colomb, R. Coletta, E. Coquery, F. de Marchi, F. Duchateau, M.-S. Hacid, A. Hadjali, and M. Roche. FORUM: a Flexible Data Integration System. SIGMOD Record, 39(2):11-18, 2010. http://dl.acm.org/authorize?307173

P. Bosc and O. Pivert. On some uses of a stratified divisor in an ordinal framework. In F. Petry, J. Kacprzyk, and A. Yazici, editors, Uncertainty Approaches for Spatial Data Modeling and Processing: A Decision Support Perspective, Studies in Computational Intelligence, vol. 271, pages 133-154. Springer, 2010.

P. Bosc, A. Hadjali, O. Pivert, and G. Smits. Trimming plethoric answers to fuzzy queries: An approach based on predicate correlation. In Proc. of the 13th International Conference on Information Processing and Management of Uncertainty in Knowledge-Based Systems (IPMU'10), Dortmund, Germany, LNCS vol. 6178, Springer, pages 595-604, 2010.

P. Bosc, A. Hadjali, O. Pivert, and G. Smits. On the use of fuzzy cardinalities for reducing plethoric answers to fuzzy queries. In Proc. of the 4th International Conference on Scalable Uncertainty Management (SUM'10), Toulouse, France, LNAI vol. 6379, Springer, pages 98-111, 2010.

P. Bosc and O. Pivert. On a fuzzy group-by clause in SQLf. In Proc. of the 19th IEEE International Conference on Fuzzy Systems (FUZZ-IEEE'10), Barcelona, Spain, pages 2409-2414, 2010.

P. Bosc and O. Pivert. On the division of bipolar fuzzy relations. In Proc. of the 29th North American Fuzzy Information Processing Society Conference (NAFIPS'10), Toronto, Canada, 2010.

P. Bosc and O. Pivert. Queries mixing positive and negative associations and their weakening. In Proc. of the 29th North American Fuzzy Information Processing Society Conference (NAFIPS'10), Toronto, Canada, 2010.

P. Bosc and O. Pivert. On a fuzzy group-by and its use for fuzzy association rule mining. In Proc. of the 14th East-European Conference on Advances in Databases and Information Systems (ADBIS'10), Novi Sad, Serbia, LNCS vol. 6295, Springer, pages 88-102, 2010.

P. Bosc, O. Pivert, L. Liétard, and A. Mokhtari. Extending relational algebra to handle bipolarity. In Proc. of the 25th ACM Symposium on Applied Computing (SAC'10), Sierre, Switzerland, pages 1718-1722, 2010. http://dl.acm.org/authorize?238208

P. Bosc, O. Pivert, and H. Prade. A possibilistic logic view of preference queries to an uncertain database. In Proc. of the 19th IEEE International Conference on Fuzzy Systems (FUZZ-IEEE'10), Barcelona, Spain, pages 379-384, 2010.

P. Bosc, O. Pivert, and H. Prade, An uncertain database model and a query algebra based on possibilistic certainty, In Proc. of the 2nd International Conference on Soft Computing and Pattern Recognition (SoCPaR'10), Cergy-Pontoise, France, pages 63-68, 2010.

P. Bosc, O. Pivert, and G. Smits. A database preference query model based on a fuzzy outranking relation. In Proc. of the 19th IEEE International Conference on Fuzzy Systems (FUZZ-IEEE'10), Barcelona, Spain, pages 38-43, 2010.

P. Bosc, O. Pivert, and G. Smits. A model based on outranking for database preference queries. In Proc. of the 13th International Conference on Information Processing and Management of Uncertainty in Knowledge-Based Systems (IPMU'10), Dortmund, Germany, CCIS vol. 81, Springer, pages 95-104, 2010.

A. Hadjali, A. Mokhtari, and O. Pivert. A fuzzy-rule-based approach to contextual preference queries. In Proc. of the 13th International Conference on Information Processing and Management of Uncertainty in Knowledge-Based Systems (IPMU'10), Dortmund, Germany, LNCS vol. 6178, Springer, pages 532-541, 2010.

A. Hadjali, O. Pivert, and H. Prade, Possibilistic contextual skylines with incomplete preferences, In Proc. of the 2nd International Conference on Soft Computing and Pattern Recognition (SoCPaR'10), Cergy-Pontoise, France, pages 57-62, 2010.

O. Pivert, A. Hadjali, and G. Smits, Estimating the relevance of a data source using a fuzzy-cardinality-based summary, In Proc. of the 5th IEEE International Conference on Intelligent Systems (IEEE IS'10), London, Great-Britain, pages 96-101, 2010.

O. Pivert, H. Jaudoin, C. Brando, and A. Hadjali. An approach based on query caching and predicate substitution for the treatment of failing database queries. In Proc. of the 18th International Conference on Case-Based Reasoning (ICCBR'10), Alessandria, Italy, LNAI vol. 6176, Springer, pages 436-450, 2010.

O. Pivert and H. Prade. Handling dirty databases: From user warning to data cleaning - Towards an interactive approach. In Proc. of the 4th International Conference on Scalable Uncertainty Management (SUM'10), Toulouse, France, LNAI vol. 6379, Springer, pages 292-305, 2010.

L. Ughetto, G. Pasi, V. Claveau, O. Pivert, and P. Bosc. Implication in information retrieval systems. In Proc. of the 9th International Conference on Adaptivity, Personalization and Fusion of Heterogeneous Information (RIAO'10), Paris, France, 2010.

P. Bosc, A. Hadjali, O. Pivert, and G. Smits. Une approche fondée sur la corrélation entre prédicats pour le traitement des réponses pléthoriques. In Actes de la 10e Conférence Internationale Francophone sur l'Extraction et la Gestion des Connaissances (EGC'10), Hammamet, Tunisie, pages 273-284, 2010.

P. Bosc, A. Hadjali, O. Pivert, and G. Smits. CORTEX -- CORrelaTion-based Query EXpansion. In Actes des 25e journées Bases de Données Avancées (BDA'10), Session démonstrations, Toulouse, France, 2010.

P. Bosc and O. Pivert. A propos de requêtes à préférences et diviseur stratifié. In Actes du 28e Congrès INFORSID, Marseille, France, pages 311-326, 2010.

P. Bosc and O. Pivert. A propos de la négation de conditions floues bipolaires. In Actes des Rencontres Francophones sur la Logique Floue et ses Applications (LFA'10), Lannion, France, pages 21-28, 2010.

P. Bosc, O. Pivert, and H. Prade. Un modèle fondé sur la certitude pour les bases de données incertaines. In Actes des 25e journées Bases de Données Avancées (BDA'10), Toulouse, France, 2010.

H. Jaudoin and O. Pivert. Répondre à une requête floue en termes de vues imprécises. In Actes des Rencontres Francophones sur la Logique Floue et ses Applications (LFA'10), Lannion, France, pages 37-44, 2010.


2009

P. Bosc, A. Hadjali, and O. Pivert. Incremental controlled relaxation of failing flexible queries. Journal of Intelligent Information Systems, 33(3):261-283, 2009.

P. Bosc, O. Pivert, and D. Rocacher. Tolerant division queries and possibilistic database querying. Fuzzy Sets and Systems, 160(15):2120-2140, 2009.

P. Bosc, C. Brando, A. Hadjali, H. Jaudoin, and O. Pivert. Semantic proximity between queries and the empty answer problem. In Proc. of the Joint IFSA World Congress (IFSA'09) and the 6th Conference of the European Society of Fuzzy Systems and Technology (EUSFLAT'09), pages 259-264, Lisbon, Portugal, 2009.

P. Bosc, V. Claveau, O. Pivert, and L. Ughetto. Graded-inclusion-based information retrieval systems. In Proc. of the 31st European Conference on Information Retrieval (ECIR'09), pages 252-263, Toulouse, France, 2009.

P. Bosc and O. Pivert. Functional dependencies over possibilistic databases: An interpretation based on the possible worlds semantics. In Proc. of the 3rd Workshop on the Management of Uncertain Data (MUD'09), in conjunction with VLDB'09, pages 1-15, Lyon, France, 2009.

P. Bosc and O. Pivert. On a possibilistic database model with incomplete possibility distributions. In Proc. of the 28th International Conference of the North American Fuzzy Information Processing Society (NAFIPS'09), pages 1-6, Cincinnati, Ohio, USA, 2009.

P. Bosc and O. Pivert. About bipolar division operators. In Proc. of the 8th International Conference on Flexible Query Answering Systems (FQAS'09), pages 572-582, Roskilde, Denmark, 2009.

P. Bosc and O. Pivert. On two interpretations of competitive conditional fuzzy preferences. In Proc. of the 1st International Conference on Fuzzy Computation (ICFC'09), pages 71-74, Madeira, Portugal, 2009.

P. Bosc, O. Pivert, and A. Mokhtari. On fuzzy queries with contextual predicates. In Proc. of the 18th IEEE International Conference on Fuzzy Systems (FUZZ-IEEE'09), pages 484-489, Jeju, South Korea, 2009.

P. Bosc, O. Pivert, and A. Mokhtari. Top-k queries with contextual fuzzy preferences. In Proc. of the 20th Int. Conference on Database and Expert Systems Applications (DEXA'09), LNCS 5690, pages 847-854, Linz, Austria, 2009.

P. Bosc, O. Pivert, and H. Prade. A model based on possibilistic certainty levels for incomplete databases. In Proc. of the 3rd International Conference on Scalable Uncertainty Management (SUM'09), pages 80-94, Washington DC, USA, 2009.

P. Bosc, O. Pivert, and G. Smits. A flexible querying approach based on outranking and classification. In Proc. of the 8th International Conference on Flexible Query Answering Systems (FQAS'09), pages 1-12, Roskilde, Denmark, 2009.

P. Bosc, O. Pivert, and O. Soufflet. Anti-division queries with ordinal layered preferences. In Proc. of the 10th European Conference on Symbolic and Quantitative Approaches to Reasoning with Uncertainty (ECSQARU'09), LNAI 5590, pages 769-780, Verona, Italy, 2009.

P. Bosc, O. Pivert, and O. Soufflet. On three classes of division queries involving ordinal preferences. In Proc. of the 18th International Symposium on Methodologies for Intelligent Systems (ISMIS'09), LNAI 5722, pages 311-320, Prague, Czech Republic, 2009.

P. Bosc, O. Pivert, and O. Soufflet. Stratified division queries involving ordinal user preferences. In Proc. of the 24th Annual ACM Symposium on Applied Computing (SAC'09), pages 1748-1749, Honolulu, Hawaii, USA, 2009. http://dl.acm.org/authorize?178391

P. Bosc, L. Ughetto, O. Pivert, and V. Claveau. Implication-based and cardinality-based inclusions in information retrieval. In Proc. of the 18th IEEE International Conference on Fuzzy Systems (FUZZ-IEEE'09), pages 2088-2093, Jeju, South Korea, 2009.

H. Jaudoin, P. Colomb, and O. Pivert. Ranking approximate query rewritings based on views. In Proc. of the 8th International Conference on Flexible Query Answering Systems (FQAS'09), pages 13-24, Roskilde, Denmark, 2009.

A. Mokhtari, O. Pivert, and A. Hadjali. An approach to personalized route planning based on fuzzy sets. In Proc. of the International Scientific Conference on Mobility and Transport (mobil.TUM 2009), Munich, Germany, 2009.

A. Mokhtari, O. Pivert, and A. Hadjali. Integrating complex user preferences into a route planner: A fuzzy-set-based approach. In Proc. of the Joint IFSA World Congress (IFSA'09) and the 6th Conference of the European Society of Fuzzy Systems and Technology (EUSFLAT'09), pages 501-506, Lisbon, Portugal, 2009.

A. Mokhtari, O. Pivert, A. Hadjali, and Patrick Bosc. Towards a route planner capable of dealing with complex bipolar preferences. In Proc. of the 12th IEEE Conference on Intelligent Transportation Systems (IEEE ITSC'09), pages 556-561, St. Louis, MO, USA, 2009. H. Jaudoin, P. Colomb, and O. Pivert. Réécriture tolérante de requêtes en termes de vues. In Actes des 24e journées Bases de Données Avancées (BDA'09), Namur, Belgium, 2009.

A. Mokhtari, O. Pivert, and A. Hadjali. Vers un langage de requête flou pour la planification d'itinéraire. In Actes des Rencontres Francophones sur la Logique Floue et ses Applications (LFA 2009), pages 33-40, Annecy, France, 2009.

A. Mokhtari, O. Pivert, and A. Hadjali. Vers un système de planification d'itinéraire intégrant des préférences complexes. In Actes de l'atelier PeCUSI 2009 conjoint à INFORSID 2009, pages 39-50, Toulouse, France, 2009.

L. Ughetto, O. Pivert, V. Claveau, and P. Bosc. Recherche d'information et inclusions graduelles. In Actes des Rencontres Francophones sur la Logique Floue et ses Applications (LFA 2009), pages 125-132, Annecy, France, 2009.

L. Ughetto, O. Pivert, V. Claveau, and P. Bosc. Système de recherche d'information à base d'inclusion graduelle. In Actes de la 6e Conférence en Recherche d'Information et Applications (CORIA'09), pages 235-250, Presqu'île de Giens, France, 2009.


2008

O. Pivert, editor. From Knowledge Representation to Information Processing and Management -- Selected Papers from the French Fuzzy Days (LFA 2006), Special Issue of Fuzzy Sets and Systems, volume 159. Elsevier, 2008.

P. Bosc, A. Hadjali, and O. Pivert. Empty versus overabundant answers to flexible relational queries. Fuzzy Sets and Systems, Special Issue on Advances in Intelligent Databases and Information Systems, 159(12):1450-1467, 2008.

P. Bosc, A. Hadjali, and O. Pivert. La notion de division tolérante et son intérêt pour remédier aux réponses vides. Ingénierie des Systèmes d'Information, 13(5):131-154, 2008.

P. Bosc and O. Pivert. On two qualitative approaches to tolerant inclusion operators. Fuzzy Sets and Systems, 159(21):2786-2805, 2008.

P. Bosc, A. Hadjali, and O. Pivert. On the versatility of fuzzy sets for modeling flexible queries. In J. Galindo, editor, Handbook of Research on Fuzzy Information Processing in Databases, pages 143-166. Information Science Reference, Hershey, PA, USA, 2008.

P. Bosc, A. Hadjali, and O. Pivert. Overabundant answers to flexible queries -- a proximity-based intensification approach. In B. Bouchon-Meunier, R.R. Yager, C. Marsala, and M. Rifqi, editors, Uncertainty and Intelligent Information Systems, pages 273-287. World Scientific Publishing, Singapore, 2008.

P. Bosc, N. Iben Hssaien, and O. Pivert. On the evaluation of cardinality-based generalized yes/no queries. In P. Chountas, J. Kacprzyk, and I. Petrounias, editors, Intelligent Techniques and Tools for Novel System Architectures, Series: Studies in Computational Intelligence, volume 109, pages 65-79. Springer Verlag, Heidelberg, Germany, 2008.

P. Bosc, A. Hadjali, and O. Pivert. An approach to competitive conditional fuzzy preferences in database flexible querying. In Proc. of the 4th IEEE International Conference on Intelligent Systems (IEEE IS'2008), Varna, Bulgaria, 2008.

P. Bosc, A. Hadjali, and O. Pivert. Cooperative answering to flexible queries via a tolerance relation. In Lecture Notes on Artificial Intelligence 4994 (Proc. of ISMIS'08), pages 288-297. Springer-Verlag, 2008.

P. Bosc, A. Hadjali, and O. Pivert. Exceptions and resemblance: two keys for tolerant division operators. In Proc. of the 27th International Conference of the North American Fuzzy Information Processing Society (NAFIPS'08), New York, New York, USA, 2008.

P. Bosc, A. Hadjali, and O. Pivert. Graded tolerant inclusion and its axiomatization. In Proc. of the 12th International Conference on Information Processing and Management of Uncertainty in Knowledge-Based Systems (IPMU'08), Malaga, Spain, 2008.

P. Bosc and O. Pivert. A family of tolerant antidivision operators for database fuzzy querying. In Lecture Notes on Artificial Intelligence 5291 (Proc. of SUM'08), pages 92-105. Springer-Verlag, 2008.

P. Bosc and O. Pivert. On a parameterized tolerant antidivision operator for database flexible querying. In Lecture Notes on Computer Science 5181 (Proc. of DEXA'08), pages 652-659. Springer-Verlag, 2008.

P. Bosc and O. Pivert. On the division operator for probabilistic and possibilistic relational databases. In Proc. of the 17th IEEE International Conference on Fuzzy Systems (FUZZ-IEEE'08), pages 110-116, Hong Kong, China, 2008.

A. Hadjali and O. Pivert. Towards fuzzy query answering using fuzzy views -- a graded-subsumption-based approach. In Lecture Notes on Artificial Intelligence 4994 (Proc. of ISMIS'08), pages 268-277. Springer-Verlag, 2008.

P. Bosc, A. Hadjali, and O. Pivert. Une approche coopérative pour le traitement des requêtes flexibles à réponse vide ou pléthorique. In Actes des 23e Journées Bases de Données Avancées (BDA'08), Guilherand-Granges, France, 2008.

P. Bosc, A. Hadjali, O. Pivert, and O. Soufflet. Préférences floues compétitives et conditionnelles pour l'interrogation flexible de bases de données. In Actes des Rencontres Francophones sur la Logique Floue et ses Applications (LFA 2008), Lens, France, 2008.

P. Bosc and O. Pivert. On the use of tolerant graded inclusions in information retrieval. In Actes de la 5e Conférence en Recherche d'Information et Applications (CORIA'08), pages 321-336, Trégastel, France, 2008.

P. Bosc and O. Pivert. Un modèle de base de données possibiliste avec distributions de possibilité incomplètes. In Actes des Rencontres Francophones sur la Logique Floue et ses Applications (LFA 2008), Lens, France, 2008.

P. Bosc, O. Pivert, and O. Soufflet. Top-k division à préférences ordinales. In Actes des 23e journées Bases de Données Avancées (BDA'08), Guilherand-Granges, France, 2008.


2007

P. Bosc, A. Hadjali, and O. Pivert. Weakening of fuzzy relational queries: an absolute proximity relation-based approach. Mathware & Soft Computing, 14(1):35-55, 2007.

P. Bosc and O. Pivert. About possibilistic queries and their evaluation. IEEE Transactions on Fuzzy Systems, 15(3):439-452, 2007.

P. Bosc and O. Pivert. About yes/no queries against possibilistic databases. International Journal of Intelligent Systems, 22:691-722, 2007.

P. Bosc, O. Pivert, and D. Rocacher. About quotient and division of crisp and fuzzy relations. Journal of Intelligent Information Systems, 29(2):185-210, 2007.

P. Bosc, O. Pivert, and D. Rocacher. Characterizing the result of the division of fuzzy relations. International Journal of Approximate Reasoning, Special Issue on Imprecision and Uncertainty in Intelligent Systems, 45:511-530, 2007.

P. Bosc, D. Dubois, A. Hadjali, O. Pivert, and H. Prade. Adjusting the core and/or the support of a fuzzy set -- a new approach to fuzzy modifiers. In Proc. of the 16th IEEE International Conference on Fuzzy Systems (FUZZ-IEEE'07), London, UK, 2007.

P. Bosc, A. Hadjali, H. Jaudoin, and O. Pivert. Flexible querying of multiple data sources through fuzzy summaries. In Proc. of the 2nd International Workshop on Flexible Database and Information System Technology (FlexDBIST'07), in conjunction with DEXA'07, pages 350-354, Regensburg, Germany, 2007.

P. Bosc, A. Hadjali, and O. Pivert. On a proximity-based tolerant inclusion. In Proc. of the 5th Conference of the European Society for Fuzzy Logic and Technology (EUSFLAT'07), pages 343-350, Ostrava, Czech Republic, 2007.

P. Bosc, A. Hadjali, and O. Pivert. Preference-based divisions to overcome empty answers. In Proc. of the 3rd Multidisciplinary Workshop on Advances on Preference Handling (M-PREF'07), in conjunction with VLDB'07, Vienna, Austria, 2007.

P. Bosc, N. Iben Hssaien, and O. Pivert. About the division operator in a possibilistic database framework. In Proc. of the 26th International Conference of the North American Fuzzy Information Processing Society (NAFIPS'07), San Diego, California, USA, 2007.

P. Bosc, N. Iben Hssaien, and O. Pivert. About the processing of division queries addressed to possibilistic databases. In Proc. of the 1st Workshop on the Management of Uncertain Data (MUD'07), in conjunction with VLDB'07, pages 48-62, Vienna, Austria, 2007.

P. Bosc, D. Dubois, A. Hadjali, O. Pivert, and H. Prade. Une nouvelle approche pour les modificateurs flous fondée sur l'ajustement du noyau et/ou du support. In Actes des Rencontres Francophones sur la Logique Floue et ses Applications (LFA 2007), Nîmes, France, 2007.

P. Bosc, A. Hadjali, and O. Pivert. Tolerant division operators to overcome empty answers. In Actes des 22e journées Bases de Données Avancées (BDA'07), Marseille, France, 2007.


2006

O. Pivert, editor. Rencontres Francophones sur la Logique Floue et ses Applications (LFA 2006). Cépaduès Editions, 2006.

P. Bosc, N. Liétard, and O. Pivert. About the processing of possibilistic queries involving a difference operation. Fuzzy Sets and Systems, 157(12):1622-1640, 2006.

P. Bosc and O. Pivert. About approximate inclusion and its axiomatization. Fuzzy Sets and Systems, 157(11):1438-1454, 2006.

P. Bosc, O. Pivert, and D. Rocacher. A propos de division usuelle et approchée de relations floues. Technique et Science Informatiques, 25:631-660, 2006.

P. Bosc and O. Pivert. Vacuity-oriented generalized yes/no queries addressed to possibilistic databases. In G. Bordogna and G. Psaila, editors, Flexible Databases Supporting Imprecision and Uncertainty, pages 55-74. Springer Verlag, 2006.

P. Bosc, A. Hadjali, and O. Pivert. About overabundant answers to flexible queries. In Proc. of the 11th International Conference on Information Processing and Management of Uncertainty in Knowledge-Based Systems (IPMU'06), pages 2221-2228, Paris, France, 2006.

P. Bosc, A. Hadjali, and O. Pivert. Modelling fuzzy modifiers by means of a proximity relation. In Proc. of the 25th International Conference of the North American Fuzzy Information Processing Society (NAFIPS'06), Montréal, Canada, 2006.

P. Bosc, A. Hadjali, and O. Pivert. Relaxation paradigm in a flexible querying context. In Proc. of the 7th International Conference on Flexible Query Answering Systems (FQAS'06), pages pp. 39-50, Milano, Italy, 2006.

P. Bosc, N. Liétard, and O. Pivert. About generalized yes/no queries in the possibilistic and probabilistic database contexts. In Proc. of the 2nd Twente Data Management Workshop on Uncertainty in Databases (TDM'06), pages 3-10, Enschede, Netherlands, 2006.

P. Bosc, N. Liétard, and O. Pivert. About inclusion-based generalized yes/no queries in a possibilistic database context. In Proc. of the 16th International Symposium on Methodologies for Intelligent Systems (ISMIS'06), pages 284-289, Bari, Italy, 2006.

P. Bosc, N. Liétard, and O. Pivert. On the evaluation of cardinality-based generalized yes/no queries. In Proc. of the 3rd IEEE International Conference on Intelligent Systems (IEEE IS'2006), pages 202-207, Westminster, Great Britain, 2006.

P. Bosc, N. Liétard, and O. Pivert. On the evaluation of membership-based yes/no queries involving a negation in the context of possibilistic databases. In Proc. of the Joint 3rd International Conference on Soft Computing and Intelligent Systems and 7th International Symposium on advanced Intelligent Systems (SCIS & ISIS 2006), pages 2113-2118, Tokyo, Japan, 2006.

P. Bosc and O. Pivert. About queries addressed to possibilistic databases. In Proc. of the International Workshop on Inconsistency and Incompleteness in Databases (IIDB'06), pages 114-118, Munich, Germany, 2006.

P. Bosc and O. Pivert. On a qualitative approximate inclusion -- application to the division of fuzzy relations. In Proc. of the 1st International Workshop on Flexible Database and Information System Technology (FlexDBIST'06), in conjunction with DEXA'06, pages 430-434, Cracow, Poland, 2006.

P. Bosc and O. Pivert. On an approximate-inclusion-based difference operator -- application to the division of fuzzy relations. In Proc. of the 15th IEEE International Conference on Fuzzy Systems (FUZZ-IEEE'06), Vancouver, Canada, 2006.

P. Bosc and O. Pivert. On two approaches to approximate inclusion operators. In Proc. of the 25th International Conference of the North American Fuzzy Information Processing Society (NAFIPS'06), Montréal, Canada, 2006.

P. Bosc, N. Liétard, and O. Pivert. Evaluation de requêtes oui/non à inclusion adressées à des bases de données possibilistes. In Actes des Rencontres Francophones sur la Logique Floue et ses Applications (LFA 2006), pages 187-194, Toulouse, France, 2006.

P. Bosc and O. Pivert. A propos d'un opérateur d'inclusion approchée qualitative -- application à la division de relations floues. In Actes des Rencontres Francophones sur la Logique Floue et ses Applications (LFA 2006), pages 163-170, Toulouse, France, 2006.

P. Bosc, O. Pivert, and D. Rocacher. A propos de la sémantique de divers opérateurs de division de relations. In Actes du 24e Congrès INFORSID, pages 799-814, Hammamet, Tunisie, 2006.


2005

P. Bosc and O. Pivert. About projection-selection-join queries addressed to possibilistic relational databases. IEEE Transactions on Fuzzy Systems, 13(1):124-139, 2005.

P. Bosc, A. Hadjali, and O. Pivert. Towards a tolerance-based technique for cooperative answering of fuzzy queries against regular database. In R. Meersman and Z. Tari, editors, Lecture Notes in Computer Science 3760 (Proc. of CoopIS 2005), pages 256-273. Springer-Verlag, 2005.

P. Bosc, A. Hadjali, and O. Pivert. Weakening of fuzzy relational queries: An absolute proximity relation-based approach. In Proc. of the Joint 4th Conference of the European Society for Fuzzy Logic and Technology (EUSFLAT'05) and Rencontres sur la Logique Floue et ses Applications (LFA'05), Barcelona, Spain, 2005.

P. Bosc, N. Liétard, and O. Pivert. About cardinality-based possibilistic queries against possibilistic databases. In Proc. of the Joint 4th Conference of the European Society for Fuzzy Logic and Technology (EUSFLAT'05) and Rencontres sur la Logique Floue et ses Applications (LFA'05), Barcelona, Spain, 2005.

P. Bosc and O. Pivert. About the processing of possibilistic and probabilistic queries. In L. Godo, editor, Lecture Notes in Artificial Intelligence 3571 (Proc. of ECSQARU'05), pages 812-823. Springer-Verlag, 2005.

P. Bosc and O. Pivert. Approximate inclusion between fuzzy sets -- application to the division of fuzzy relations. In Proc. of the 14th IEEE International Conference on Fuzzy Systems (FUZZ-IEEE'05), pages 561-566, Reno, Nevada, USA, 2005.

P. Bosc, O. Pivert, and D. Rocacher. Characterizing the result of the division of fuzzy relations. In Proc. of the 24th International Conference of the North American Fuzzy Information Processing Society (NAFIPS'05), Ann Arbor, Michigan, USA, 2005.

P. Bosc, O. Pivert, and D. Rocacher. On the approximate division of fuzzy relations. In Proc. of the 15th International Symposium on Methodologies for Intelligent Systems (ISMIS'05), pages 314-322, Saratoga Springs, New York, USA, 2005.


2004

P. Bosc, L. Liétard, O. Pivert, and D. Rocacher. Gradualité et imprécision dans les bases de données. Editions Ellipses, Paris, 2004.

P. Bosc, A. Hadjali, and O. Pivert. Fuzzy closeness relation as a basis for weakening fuzzy relational queries. In Proc. of the 6th International Conference on Flexible Query Answering Systems (FQAS'04), pages 41-53, Lyon, France, 2004.

P. Bosc and O. Pivert. About various uses of algebraic queries against possibilistic databases. In Proc. of the Joint 2nd International Conference on Soft Computing and Intelligent Systems and 5th International Symposium on Advanced Intelligent Systems (SCIS-ISIS'04), Yokohama, Japan, 2004.

P. Bosc and O. Pivert. From Boolean to fuzzy algebraic queries in a possibilistic database framework. In Proc. of the 13th IEEE International Conference on Fuzzy Systems (FUZZ-IEEE'04), pages 547-552, Budapest, Hungary, 2004.

P. Bosc and O. Pivert. On a strong representation system for imprecise relational databases. In Proc. of the 10th International Conference on Information Processing and Management of Uncertainty in Knowledge-Based Systems (IPMU'04), pages 1759-1766, Perugia, Italy, 2004.

P. Bosc and O. Pivert. Possibilistic databases and generalized yes/no queries. In Proc. of the DEXA 2004 Workshop on Supporting Imprecision and Uncertainty in Flexible Databases (SIUFDB-04), pages 912-916, Zaragoza, Spain, 2004.

P. Bosc and O. Pivert. Inclusion approchée entre ensembles flous -- application à la division de relations floues. In Actes des Rencontres Francophones sur la Logique Floue et ses Applications (LFA 2004), pages 215-222, Nantes, France, 2004.

P. Bosc and O. Pivert. On a strong representation system for probabilistic and possibilistic databases. In Actes des 20e journées Bases de Données Avancées (BDA'04), pages 93-112, Montpellier, France, 2004.

P. Bosc and O. Pivert. A propos du quotient de la division de relations floues. In Actes des Rencontres Francophones sur la Logique Floue et ses Applications (LFA 2004), pages 207-214, Nantes, France, 2004.

P. Bosc and O. Pivert. Requêtes oui/non et données imprécises : du cadre possibiliste au cadre probabiliste. In Actes du 22e Congrès INFORSID, pages 25-40, Biarritz, France, 2004.


2003

P. Bosc, V. Cross, F. Petry, and O. Pivert, editors. Fuzzy Sets and Systems, Special issue on Fuzzy Databases, volume 140. Elsevier, 2003.

P. Bosc, L. Duval, and O. Pivert. An initial approach to the evaluation of possibilistic queries addressed to possibilistic databases. Fuzzy Sets and Systems, 140(1):151-166, 2003.

P. Bosc, L. Liétard, and O. Pivert. Sugeno fuzzy integral as a basis for the interpretation of flexible queries involving monotonic aggregates. Information Processing and Management, 39:287-306, 2003.

P. Bosc and O. Pivert. On the impact of regular functional dependencies when moving to a possibilistic database framework. Fuzzy Sets and Systems, 140(1):207-227, 2003.

P. Bosc, L. Liétard, and O. Pivert. Bases de données. In B. Bouchon-Meunier and C. Marsala, editors, Traitement de données complexes et commande en logique floue, pages 17-64. Hermès Science, Paris, 2003.

P. Bosc, O. Pivert, and L. Liétard. On the comparison of aggregates over fuzzy sets. In B. Bouchon-Meunier, L. Foulloy, and R.R. Yager, editors, Intelligent Systems for Information Processing: From Representation to Applications, pages 141-152. Elsevier, Amsterdam, The Netherlands, 2003.

P. Bosc, L. Duval, and O. Pivert. About flexible possibilistic queries against possibilistic databases. In Proc. of the 7th World Multi-Conference on Systemics, Cybernetics and Informatics (SCI'2003), pages 299-304, Orlando, Florida, USA, 2003.

P. Bosc and O. Pivert. About certainty-based queries against possibilistic databases. In Proc. of the 22nd International Conference of the North American Fuzzy Information Processing Society (NAFIPS'03), pages 161-166, Chicago, Illinois, USA, 2003.

P. Bosc and O. Pivert. Towards an algebraic query language for possibilistic relations. In Proc. of the 12th IEEE International Conference on Fuzzy Systems (FUZZ-IEEE'03), pages 671-676, St. Louis, Missouri, USA, 2003.

P. Bosc and O. Pivert. A propos de l'évaluation de requêtes possibilistes. In Actes du 21e Congrès INFORSID, pages 317-332, Nancy, France, 2003.

P. Bosc and O. Pivert. A propos de l'interrogation de bases de données possibilistes. In Actes des Rencontres Francophones sur la Logique Floue et ses Applications (LFA 2003), pages 31-38, Tours, France, 2003.


2002

P. Bosc, D. Dubois, O. Pivert, H. Prade, and M. de Calmès. Fuzzy summarization of data using fuzzy cardinalities. In Proc. of the 9th International Conference on Information Processing and Management of Uncertainty in Knowledge-Based Systems (IPMU'02), pages 1553-1559, Annecy, France, 2002.

P. Bosc, L. Duval, and O. Pivert. About possibilistic queries against possibilistic databases. In Proc. of the 17th ACM Symposium on Applied Computing (SAC'02), pages 807-811, Madrid, Spain, 2002. http://dl.acm.org/authorize?39941

P. Bosc, L. Duval, and O. Pivert. About selections and joins in possibilistic queries addressed to possibilistic databases. In Proc. of the 13th Int. Conference on Database and Expert Systems Applications (DEXA'02), pages 597-606, Aix-en-Provence, France, 2002.

P. Bosc, L. Liétard, and O. Pivert. Extending the possibilistic data model with one-level nested relations. In Proc. of the 11th IEEE International Conference on Fuzzy Systems (FUZZ-IEEE'02), Honolulu, Hawaii, USA, 2002.

P. Bosc, L. Liétard, and O. Pivert. On the comparison of aggregates over fuzzy sets. In Proc. of the 9th International Conference on Information Processing and Management of Uncertainty in Knowledge-Based Systems (IPMU'02), pages 1547-1552, Annecy, France, 2002.

P. Bosc, L. Liétard, and O. Pivert. On the use of aggregates bearing on fuzzy sets in linguistic summaries. In Proc. of the International Conference on Fuzzy Systems and Knowledge Discovery (FSKD'02), Singapore, 2002.

P. Bosc and O. Pivert. About the projection operator in a possibilistic database framework. In Proc. of the 21st Int. Conf. of the North American Fuzzy Information Processing Society (NAFIPS'02), pages 371-376, New Orleans, Louisiana, USA, 2002.

P. Bosc and O. Pivert. Mixing selections and foreign key joins in queries against possibilistic databases. In Proc. of the 13th International Symposium on Methodologies for Intelligent Systems (ISMIS'02), pages 194-202, Lyon, France, 2002.

P. Bosc and O. Pivert. Towards a representation system for possibilistic relations. In Proc. of the 9th Int. Workshop on Knowledge Representation meets Database (KRDB'02), pages 67-78, Toulouse, France, 2002.

P. Bosc, L. Cholvy, D. Dubois, N. Mouaddib, O. Pivert, H. Prade, G. Raschia, and M.-C. Rousset. Les informations incomplètes dans les bases de données et en intelligence artificielle. In Actes des Assises du PRC-GDR I3, pages 1-30, Nancy, France, 2002.

P. Bosc and O. Pivert. Vers un modèle relationnel possibiliste à un niveau de relations imbriquées. In Actes du 20e Congrès INFORSID, pages 73-88, Nantes, France, 2002.

L. Duval and O. Pivert. A propos de requêtes possibilistes adressées à des bases de données possibilistes. In Actes des 18e journées Bases de Données Avancées (BDA'02), pages 343-362, Evry, France, 2002.


2001

P. Bosc, D. Dubois, O. Pivert, and H. Prade. On fuzzy association rules based on fuzzy cardinalities. In Proc. of the 10th IEEE International Conference on Fuzzy Systems (FUZZ-IEEE'01), Melbourne, Australia, 2001.

P. Bosc, L. Duval, and O. Pivert. A first approach to possibilistic queries addressed to possibilistic databases. In Proc. of the Joint 9th IFSA World Congress and 20th NAFIPS International Conference, pages 2452-2457, Vancouver, Canada, 2001.

P. Bosc, L. Liétard, and O. Pivert. About querying operations against possibilistic databases. In Proc. of the 5th Multi-Conference on Systemics, Cybernetics and Informatics (SCI'01), pages 335-342, Orlando, Florida, USA, 2001.

P. Bosc, L. Liétard, and O. Pivert. A function-based join for the manipulation of possibilistic relations. In Proc. of the ACM Symposium on Applied Computing (SAC'01), pages 472-476, Las Vegas, Nevada, USA, 2001. http://dl.acm.org/authorize?93141

P. Bosc and O. Pivert. At the crossroads of database systems and fuzzy sets. In Proc. of the Joint 9th IFSA World Congress and 20th NAFIPS International Conference, pages 2114-2119, Vancouver, Canada, 2001.

P. Bosc and O. Pivert. On some fuzzy extensions of association rules. In Proc. of the Joint 9th IFSA World Congress and 20th NAFIPS International Conference, pages 1104-1109, Vancouver, Canada, 2001.

P. Bosc, O. Pivert, and L. Liétard. Aggregate operators in database flexible querying. In Proc. of the 10th IEEE International Conference on Fuzzy Systems (FUZZ-IEEE'01), Melbourne, Australia, 2001.


2000

O. Pivert. Applications de la théorie des ensembles flous dans le domaine des bases de données. Habilitation à diriger des recherches, Université de Rennes 1, 2000.

P. Bosc, L. Duval, and O. Pivert. Value-based and representation-based querying of possibilistic databases. In G. Bordogna and G. Pasi, editors, Recent Research Issues on Fuzzy Databases, pages 3-27. Physica-Verlag, Heidelberg, Germany, 2000.

P. Bosc and O. Pivert. SQLf query functionality on top of a regular relational database management system. In O. Pons, M.A. Vila, and J. Kacprzyk, editors, Knowledge Management in Fuzzy Databases, pages 171-190. Physica-Verlag, Heidelberg, Germany, 2000.

P. Bosc, L. Liétard, and O. Pivert. About ill-known data and equi-join operations. In Proc. of the 4th International Conference on Flexible Query Answering Systems (FQAS'2000), pages 65-74, Warsaw, Poland, 2000.

P. Bosc, L. Liétard, and O. Pivert. An approach to functional dependencies in fuzzy databases. In Proc. of the 9th IEEE International Conference on Fuzzy Systems (FUZZ-IEEE'2000), pages 917-922, San Antonio, Texas, USA, 2000.

P. Bosc, L. Liétard, and O. Pivert. Evaluation of flexible queries: the quantified statement case. In Proc. of the 8th International Conference on Information Processing and Management of Uncertainty in Knowledge-Based Systems (IPMU'2000), pages 1115-1122, Madrid, Spain, 2000.

P. Bosc, D. Dubois, O. Pivert, and H. Prade. Résumés de données et ensembles flous -- principe d'une nouvelle approche. In Actes des Rencontres Francophones sur la Logique Floue et ses Applications (LFA'2000), pages 333-340, La Rochelle, France, 2000.

P. Bosc and O. Pivert. Deux types de sémantique pour les requêtes adressées à des bases de données possibilistes. In Actes des Rencontres Francophones sur la Logique Floue et ses Applications (LFA'2000), pages 289-296, La Rochelle, France, 2000.


1999

P. Bosc, B. Buckles, F. Petry, and O. Pivert. Fuzzy databases. In J. Bezdek, D. Dubois, and H. Prade, editors, Fuzzy Sets in Approximate Reasoning and Information Systems, The Handbook of Fuzzy Sets Series, pages 403-468. Kluwer Academic Publishers, Dordrecht, The Netherlands, 1999.

P. Bosc, L. Liétard, and O. Pivert. Database management systems. In C.T. Leondes, editor, Fuzzy Theory Systems Techniques and Applications, vol. 2, pages 631-689. Academic Press, San Diego, CA, USA, 1999.

P. Bosc, L. Duval, and O. Pivert. On the filtering of imperfect multimedia information by means of representation-based queries. In Proc. of the 3rd International Conference on Computational Intelligence and Multimedia Applications (ICCIMA'99), pages 494-498, New Delhi, India, 1999.

P. Bosc, C. Legrand, and O. Pivert. About fuzzy query processing -- the example of the division. In Proc. of the 8th IEEE International Conference on Fuzzy Systems (FUZZ-IEEE'99), pages 592-597, Seoul, Korea, 1999.

P. Bosc and O. Pivert. A formal framework for representation-based querying of databases containing ill-known data. In Proc. of the 3rd International ICSC Symposia on Intelligent Industrial Automation (IIA'99) and Soft Computing (SOCO'99), pages 705-710, Genova, Italy, 1999.

P. Bosc and O. Pivert. A new semantics for the division of fuzzy relations in relational databases. In Proc. of the European Society for Fuzzy Logic and Technology Conference (EUSFLAT'99), pages 243-246, Palma de Mallorca, Spain, 1999.

P. Bosc and O. Pivert. On the specification of representation-based conditions in a context of incomplete databases. In Proc. of the 10th International Conference on Database and Expert Systems Applications (DEXA'99), pages 594-603, Florence, Italy, 1999.

P. Bosc, O. Pivert, and L. Ughetto. Database mining for the discovery of extended functional dependencies. In Proc. of the 18th Int. Conf. of the North American Fuzzy Information Processing Society (NAFIPS'99), pages 580-584, New York, USA, 1999.

P. Bosc, O. Pivert, and L. Ughetto. On data summaries based on gradual rules. In Lecture Notes in Computer Science 1625 (Proc. of 6th Dortmund Fuzzy Days), pages 512-521. Springer-Verlag, 1999.

P. Bosc, L. Duval, and O. Pivert. On two ways of querying disjunctive weighted data. In Actes des 15e journées Bases de Données Avancées (BDA'99), pages 139-158, Bordeaux, France, 1999.


1998

P. Bosc, L. Liétard, and O. Pivert. Bases de données et flexibilité : les requêtes graduelles. Technique et Science Informatiques, 17(3):355-378, 1998.

P. Bosc and O. Pivert. Fuzzy databases. In P. Bonissone, W. Pedricz, and E. Ruspini, editors, Handbook of Fuzzy Computation, pages F.4.2.1-F.4.2.12. Institute of Physics Publishing, Bristol, UK, 1998.

P. Bosc, L. Liétard, and O. Pivert. Extended functional dependencies as a basis for linguistic summaries. In J.M. Zytkow and M. Quafafou, editors, Lecture Notes in Artificial Intelligence 1510 (Proc. of PKDD'98), pages 255-263. Springer Verlag, 1998.

P. Bosc and O. Pivert. Extended functional dependencies, redundancy and update management. In Proc. of the 6th European Congress on Intelligent Techniques and Soft Computing (EUFIT'98), pages 744-748, Aachen, Germany, 1998.

P. Bosc and O. Pivert. Flexible queries for regular databases. In Proc. of the 9th Symposium on Information Control in Manufacturing (INCOM'98), pages 79-84, Nancy-Metz, France, 1998.

P. Bosc and O. Pivert. A new approach to the filtering of ill-known data. In Proc. of the 7th IEEE International Conference on Fuzzy Systems (FUZZ-IEEE'98), pages 1302-1307, Anchorage, Alaska, USA, 1998.

C. Legrand and O. Pivert. Evaluation de la division de relations floues dans un système de gestion de bases de données. In Actes des Rencontres Francophones sur la Logique Floue et ses Applications (LFA'98), pages 243-252, Rennes, France, 1998.


1997

P. Bosc, D. Dubois, O. Pivert, and H. Prade. Flexible queries in relational databases -- the example of the division operator. Theoretical Computer Science, 171:281-302, 1997.

P. Bosc and O. Pivert. Requêtes flexibles et division relationnelle. Ingénierie des Systèmes d'Information, 5(6):661-690, 1997.

P. Bosc and O. Pivert. Extending SQL retrieval features for the handling of flexible queries. In D. Dubois, H. Prade, and R.R. Yager, editors, Fuzzy Information Engineering: A Guided Tour of Applications, pages 233-251. J. Wiley & Sons, New York, NY, USA, 1997.

P. Bosc and O. Pivert. Fuzzy queries against regular and fuzzy databases. In T. Andreasen, H. Christiansen, and H.L. Larsen, editors, Flexible Query-Answering Systems, pages 187-208. Kluwer Academic Publishers, Dordrecht, The Netherlands, 1997.

P. Bosc, L. Liétard, and O. Pivert. Functional dependencies revisited under graduality and imprecision. In Proc. of the North American Fuzzy Information Processing Society Conference (NAFIPS'97), pages 57-62, Syracuse, New York, USA, 1997.

P. Bosc and O. Pivert. On representation-based querying of databases containing ill-known values. In Z. Ras and A. Skowron, editors, Lecture Notes in Artificial Intelligence 1325 (Proc. of ISMIS'97), pages 477-486. Springer Verlag, 1997.

P. Bosc and O. Pivert. On the comparison of imprecise values in fuzzy databases. In Proc. of the 6th IEEE International Conference on Fuzzy Systems (FUZZ-IEEE'97), pages 707-712, Barcelona, Spain, 1997.

P. Bosc, L. Liétard, and O. Pivert. Gradualité, imprécision et dépendances fonctionnelles. In Actes des 13e journées Bases de Données Avancées (BDA'97), pages 391-413, Grenoble, France, 1997.


1996

P. Bosc, L. Liétard, and O. Pivert. Flexible database querying and the division of fuzzy relations. Scientia Iranica, 2(4):329-340, 1996.

P. Bosc, D. Dubois, O. Pivert, and H. Prade. On the connection between fuzzy functional dependencies and redundancy. In Proc. of the 4th European Congress on Intelligent Techniques and Soft Computing (EUFIT'96), pages 803-805, Aachen, Germany, 1996.

P. Bosc and O. Pivert. On the handling of imperfect data in relational database systems -- from null values to possibility distributions. In Z. Ras and M. Michalewicz, editors, Lecture Notes in Artificial Intelligence 1079 (Proc. of ISMIS'96), pages 408-417. Springer Verlag, 1996.

P. Bosc and O. Pivert. SQLf -- a step towards a standard language for regular relational database fuzzy querying. In Proc. of the International Panel Conference on Soft and Intelligent Computing (SIC'96), pages 23-28, Budapest, Hungary, 1996.

P. Bosc and O. Pivert. SQLf query functionality on top of a regular relational DBMS. In Proc. of the 6th International Conference on Information Processing and Management of Uncertainty in Knowledge-Based Systems (IPMU'96), pages 1-6, 1996.


1995

P. Bosc and O. Pivert. SQLf: a relational database language for fuzzy querying. IEEE Transactions on Fuzzy Systems, 3(1):1-17, 1995.

P. Bosc, L. Liétard, and O. Pivert. Quantified statements and database fuzzy querying. In P. Bosc and J. Kacprzyk, editors, Fuzziness in Database Management Systems, pages 275-308. Physica-Verlag, Heidelberg, Germany, 1995.

P. Bosc and O. Pivert. On the efficiency of the alpha-cut distribution method to evaluate simple fuzzy relational queries. In B. Bouchon-Meunier, R.R. Yager, and L.A. Zadeh, editors, Advances in Fuzzy Systems -- Applications and Theory Vol. 4: Fuzzy Logic and Soft Computing, pages 251-260. World Scientific Publishing, Singapore, 1995.

T. Andreasen and O. Pivert. Improving answers to failing fuzzy relational queries. In Proc. of the 6th International Fuzzy Systems Association World Congress (IFSA'95), pages 345-348, Sao Paulo, Brazil, 1995.

P. Bosc, D. Dubois, O. Pivert, and H. Prade. Fuzzy division for regular relational databases. In Proc. of the 4th IEEE International Conference on Fuzzy Systems (FUZZ-IEEE'95/IFES'95), pages 729-734, Yokohama, Japan, 1995.

P. Bosc, L. Liétard, and O. Pivert. Quantified statements in a flexible query language. In Proc. of the ACM Symposium on Applied Computing (SAC'95), pages 488-492, Nashville, Tennessee, USA, 1995. http://dl.acm.org/authorize?76475

T. Andreasen and O. Pivert. Un mécanisme coopératif d'affaiblissement pour les requêtes relationnelles floues. In Actes des Rencontres Francophones sur la Logique Floue et ses Applications (LFA'95), pages 134-139, 1995.


1994

P. Bosc, O. Pivert, and K. Farquhar. Integrating fuzzy queries into an existing database management system: An exemple. International Journal of Intelligent Systems, 9(5):475-492, 1994.

P. Bosc and O. Pivert. Imprecise data management and flexible querying in databases. In R.R. Yager and L.A. Zadeh, editors, Fuzzy Sets, Neural networks and Soft Computing, pages 368-395. Van Nostrand Reinhold, New York, NY, USA, 1994.

T. Andreasen and O. Pivert. On the weakening of fuzzy relational queries. In Z. Ras and M. Zemankova, editors, Lecture Notes in Artificial Intelligence 869 (Proc. of ISMIS'94), pages 144-153. Springer Verlag, 1994.

P. Bosc, L. Liétard, and O. Pivert. Soft querying, a new feature for database management systems. In D. Karagiannis, editor, Lecture Notes in Computer Science 856 (Proc. of DEXA'94), pages 631-640. Springer Verlag, 1994.

P. Bosc and O. Pivert. Fuzzy queries and relational databases. In Proc. of the ACM Symposium on Applied Computing (SAC'94), pages 170-174, Phoenix, Arizona, USA, 1994. http://dl.acm.org/authorize?6700

P. Bosc and O. Pivert. On the efficiency of the alpha-cut distribution method to evaluate simple fuzzy relational queries. In Proc. of the 5th International Conference on Information Processing and Management of Uncertainty in Knowledge-Based Systems (IPMU'94), pages 11-16, Paris, France, 1994.

P. Bosc and O. Pivert. Quelques aspects de la sémantique et des équivalences de requêtes dans le langage SQLf. In Actes des 10e journées Bases de Données Avancées (BDA'94), pages 367-387, Clermont-Ferrand, France, 1994. T. Andreasen and O. Pivert. Query weakening by term and connector modification. Datalogiske Skrifter, Roskilde University, Denmark, 47, 1994.


1993

P. Bosc and O. Pivert. On the evaluation of simple fuzzy relational queries: principles and measures. In R. Lowen and M. Roubens, editors, Fuzzy Logic: State of the Art, pages 355-364. Kluwer Academic Publishers, Dordrecht, The Netherlands, 1993.

P. Bosc, L. Liétard, and O. Pivert. On the interpretation of set-oriented fuzzy quantified queries and their evaluation in a database management system. In J. Komorowski and Z.W. Ras, editors, Lecture Notes in Artificial Intelligence 689 (Proc. of ISMIS'93), pages 209-218, 1993.

P. Bosc and O. Pivert. An approach for a hierarchical aggregation of fuzzy predicates. In Proc. of the 2nd IEEE International Conference on Fuzzy Systems (FUZZ-IEEE'93), pages 1231-1236, San Francisco, California, USA, 1993.

P. Bosc and O. Pivert. Flexible queries, discriminated answers and fuzzy sets. In Proc. of the 5th IFSA World Congress, pages 525-528, Seoul, South Korea, 1993.


1992

P. Bosc and O. Pivert. Some approaches for relational databases flexible querying. Journal of Intelligent Information Systems, 1:323-354, 1992.

P. Bosc and O. Pivert. Fuzzy querying in conventional databases. In L.A. Zadeh and J. Kacprzyk, editors, Fuzzy Logic for the Management of Uncertainty, pages 645-671. J. Wiley & Sons, New York, NY, USA, 1992.

P. Bosc and O. Pivert. Discriminated answers and databases: Fuzzy sets as a unifying expression means. In Proc. of the 1st IEEE International Conference on Fuzzy Systems (FUZZ-IEEE'92), pages 745-752, San Diego, California, USA, 1992.

P. Bosc and O. Pivert. On the evaluation of fuzzy quantified queries in a database management system. In Proc. of the North American Fuzzy Information Processing Society Conference (NAFIPS'92), pages 478-487, Puerto Vallarta, Mexico, 1992.

P. Bosc and O. Pivert. Some properties of alpha-cuts of fuzzy predicates. In Proc. of the 11th Meeting on Cybernetics and Systems Research, Wien, Austria, 1992.

P. Bosc and O. Pivert. Sur l'utilisation de requêtes booléennes pour l'évaluation de requêtes relationnelles floues. In Actes des 8e journées Bases de Données Avancées (BDA'92), pages 182-203, Trégastel, France, 1992.

O. Pivert. Expression et évaluation de requêtes floues dans les bases de données. In Actes des Journées sur les Applications des Ensembles Flous, pages 285-292, Nîmes, France, 1992.


1991

P. Bosc and O. Pivert. About equivalences in SQLf, a relational language supporting imprecise querying. In Proc. of the 1st International Fuzzy Engineering Symposium (IFES'91), pages 309-320, Yokohama, Japan, 1991.

P. Bosc and O. Pivert. On the evaluation of simple fuzzy relational queries. In Proc. of the 4th IFSA World Congress, pages 9-12, Brussels, Belgium, 1991.

P. Bosc and O. Pivert. Quelques approches d'interrogation flexible de bases de données. In Actes des 7e journées Bases de Données Avancées (BDA'91), pages 389-408, Lyon, France, 1991.


1990

P. Bosc and O. Pivert. Some algorithms for evaluating fuzzy relational queries. In B. Bouchon-Meunier and R.R. Yager, editors, Lecture Notes in Computer Science 521 (Proc. of IPMU'90), pages 431-442. Springer-Verlag, 1990.


1989

P. Bosc and O. Pivert. Algorithms for flexible selections in relational databases. In Proc. of the Aslib Informatics 10 Conference: Prospects for intelligent retrieval, pages 211-225, York, Great Britain, 1989.