1 Not all answers are equally good: Estimating the quality of database answers. - 2 Fuzzy query language for hypothesis evaluation. - 3 Using fuzzy sets in flexible querying: Why and how?. - 4 Nonstandard database interaction from metalogic programming. - 5 A fuzzy deductive relational database. - 6 Metareasoning agents for query-answering systems. - 7 Fuzzy querying in a concept object algebraic datamodel. - 8 Flexible query-answering in a group of databases. - 9 Fuzzy time indications in natural languages interfaces. - 10 Fuzzy queries against regular and fuzzy databases. - 11 Answering queries about validity and completeness of data: From modal logic to relational algebra. - 12 Constructing aggregation functions using fuzzy modeling. - 13 Flexible querying using fuzzy logic: An implementation for Microsoft Access. - 14 Fuzzy decision trees and databases. Language: English