Flexible Query Answering Systems

CHR?: A flexible query language.- Query answering by means of diagram transformation.- Query subsumption.- Partial answers for unavailable data sources.- On diverse answers issued from flexible queries.- Answering queries in context.- Effective reformulation of Boolean queries with concept lattices.- Different ways to have something in common.- A schema-based approach to modeling and querying WWW data.- Querying multimedia documents by spatiotemporal structure.- Answers about validity and completeness of data: Formal definitions, usefulness and computation technique.- Progress report on the disjunctive deductive database system dlv.- A server for Fuzzy SQL queries.- Query answering in nondeterministic, nonmonotonic logic databases.- Optimization of logic queries with MIN and MAX predicates.- Searching for general documents.- Low retrieval remote querying dialogue with fuzzy conceptual, syntactical and linguistical unification.- Knowledge discovery for flexible querying.- Question answering with Textual CBR.- Using stem rules to refine document retrieval queries.- Application of fuzzy rule induction to data mining.- Applying genetic algorithms to the feature selection problem in information retrieval.- An overview of cooperative answering in databases.- Automatic generation of trigger rules for integrity enforcement in relational databases with view definition.- Estimating the quality of databases.- Querying clocked databases.- Querying for facts and content in hypermedia documents.- Querying objects with complex static structure.- An alternating well-founded semantics for query answering in disjunctive databases.- Towards a cooperative question-answering model.- Semantic query optimization through abduction and constraint handling.- Implementing fuzzy querying via the internet/WWW: Java applets, ActiveX controls and cookies.