Flexible Query Answering SystemsSpringer, 2000 - Database searching |
Contents
OntologyBased Querying | 15 |
Finding Successful Queries in a Mediator Context | 42 |
About IllKnown Data and EquiJoin Operations | 65 |
Copyright | |
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abstract agent aggregation algorithm analysis application approach Artificial Intelligence association rules atomic attributes clustering complex components concept consider contains context Data Mining database decision decision tree defined definition defuzzification denoted derived described disjunctive documents domain elements environment evaluation example expression extension extraction fact false false flexible query formal function fuzzy clustering fuzzy logic fuzzy number fuzzy set fuzzy values generalisation graph hypermedia implementation infons information retrieval Information Systems input integrity constraints interaction interface International itemsets knowledge base knowledge representation linguistic logic programs matching matrix membership membership function method multimedia node objects obtained ontology operational semantics operator possible predicate presented problem Proc proposed Query Answering query language query planning relation relational database relevant represent representation schema selection semantic similarity spatial specific structure subset T-tree techniques tuples variables weight