P. Bosc, B. Buckles, F. Petry, and O. Pivert, Fuzzy databases, Fuzzy Sets in Approximate Reasoning and Information Systems, pp.403-468, 1999.
URL : https://hal.archives-ouvertes.fr/hal-00736368

P. Bosc and O. Pivert, Some algorithms for evaluating fuzzy relational queries, Lecture Notes in Computer Science 521 (Proc. of IPMU'90), pp.431-442, 1991.

P. Bosc and O. Pivert, On the evaluation of simple fuzzy relational queries: principles and measures, Fuzzy logic -State of the Art, pp.355-364, 1993.

P. Bosc and O. Pivert, On the efficiency of the alpha-cut distribution method to evaluate simple fuzzy relational queries, Advances in Fuzzy Systems -Applications and Theory, vol.4, pp.251-260, 1995.

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

P. Bosc and O. Pivert, SQLf query functionality on top of a regular relational database management system, Knowledge Management in Fuzzy Databases, pp.171-190, 2000.

P. Buche and S. Loiseau, Using contextual fuzzy views to query imprecise data, Database and Expert Systems Applications, 10th International Conference, DEXA '99, vol.1677, pp.460-472, 1999.

J. Galindo, J. M. Medina, O. Pons, and J. C. Cubero, A server for fuzzy SQL queries, Proc. of FQAS'98, pp.164-174, 1998.
DOI : 10.1007/bfb0055999

M. Goncalves and L. Tineo, SQLf3: An extension of SQLf with SQL features, Proc. of FUZZ-IEEE'01, pp.477-480, 2001.
DOI : 10.1109/fuzz.2001.1007352

A. Hadjali and O. Pivert, Towards fuzzy query answering using fuzzy views -A graded-subsumption-based approach, Foundations of Intelligent Systems, 17th International Symposium, vol.4994, pp.268-277, 2008.
DOI : 10.1007/978-3-540-68123-6_30

H. Jaudoin and O. Pivert, Rewriting fuzzy queries using imprecise views, Advances in Databases and Information Systems -15th International Conference, vol.6909, pp.257-270, 2011.
DOI : 10.1007/978-3-642-23737-9_19

J. Kacprzyk and S. Zadro?, FQUERY for ACCESS: fuzzy querying for a Windows-based DBMS, Fuzziness in Database Management Systems, pp.415-433, 1995.

W. Labbadi and J. Akaichi, Answering conjunctive fuzzy query using views: efficient algorithm to return the best k-tuples pervasive healthcare application, vol.IJMEI, pp.293-312, 2015.

O. Pivert and P. Bosc, Fuzzy Preference Queries to Relational Databases, 2012.
DOI : 10.1142/p840
URL : https://hal.archives-ouvertes.fr/hal-00736368

G. Smits, O. Pivert, and T. Girault, Towards reconciling expressivity, efficiency and user-friendliness in database flexible querying, Proc. of the IEEE International Conference on Fuzzy Systems, 2013.
DOI : 10.1109/fuzz-ieee.2013.6622356
URL : https://hal.archives-ouvertes.fr/hal-00907003

V. Tahani, A conceptual framework for fuzzy query processing -a step toward very intelligent database systems, Information Processing and Management, vol.13, issue.5, pp.289-303, 1977.
DOI : 10.1016/0306-4573(77)90018-8

A. Urrutia, L. Tineo, and C. Gonzalez, FSQL and SQLf: Towards a standard in fuzzy databases, Handbook of Research on Fuzzy Information Processing in Databases, pp.270-298, 2008.