An initial approach to the evaluation of possibilistic queries addressed to possibilistic databases

Fuzzy Sets and Systems

Volumn 140, Issue 1, 2003, Pages 151-166

  Bosc, Patrick ^a   Duval, Laurence ^b   Pivert, Olivier ^a  

^a UNIVERSITÉ DE RENNES 1   (France)

^b CAMPUS DE BEAULIEU   (France)

Author keywords

Ill known values; Possibilistic queries; Possibility theory

Indexed keywords

COMPUTATIONAL COMPLEXITY; FUZZY SETS;

QUERYING DATABASES;

QUERY LANGUAGES;

EID: 0141964102     PISSN: 01650114     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0165-0114(03)00032-0     Document Type: Article

References (6)

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3. Bosc P., Prade H. An introduction to the fuzzy set and possibility theory-based treatment of flexible queries and uncertain and imprecise databases. Motro A., Smets P. Uncertainty Management in Information Systems. 1997;285-324 Kluwer Academic Publishers, Dordrecht.
4. Imielinski T., Lipski W. Incomplete information in relational databases. J. ACM. 31:1984;761-791.
5. Prade H., Testemale C. Generalizing database relational algebra for the treatment of incomplete/uncertain information and vague queries. Inform. Sci. 34:1984;115-145.
6. Zadeh L.A. Fuzzy sets as a basis for a theory of possibility. Fuzzy Sets and Systems. 1:1978;3-28.