Fuzzy querying with the use of interval-valued fuzzy sets
Data
2013
Tytuł czasopisma
ISSN czasopisma
Tytuł tomu
Wydawca
Wydawnictwo Politechniki Łódzkiej
Lodz University of Technology. Press
Lodz University of Technology. Press
Abstrakt
The paper deals with flexible queries in relational databases. Conditions included in queries are modeled with the use of interval-valued fuzzy sets. Each value returned by a query is associated with a subinterval of [0,1] which expresses a membership degree. The bounds of membership intervals have been determined for different operations of relational algebra and different SQL operators.
Opis
Słowa kluczowe
Cytowanie
Journal of Applied Computer Science., 2013 Vol.21 nr 1 s.89-105