In order to evaluate vague queries, each linguistic term is considered according to its fuzzy model. Usually, the linguistic terms are defined as fuzzy sets, during a classical knowledge acquisition off-line process. But ...

In order to evaluate vague queries, each linguistic term is considered according to its fuzzy model. Usually, the linguistic terms are defined as fuzzy sets, during a classical knowledge acquisition off-line process. But ...

The most accessible interfaces querying databases must be so intelligent, able to understand natural language expressions and including vague terms in selection criteria. The paper proposes a general architecture for a ...