2332 search results - page 225 / 467 » AIS and Semantic Query |
186
click to vote
VLDB
1999
ACM
15 years 11 months ago
1999
ACM
We present an optimization method and algorithm designed for three objectives: physical data independence, semantic optimization, and generalized tableau minimization. The method ...
181
click to vote
CIKM
2006
Springer
15 years 10 months ago
2006
Springer
Skyline queries compute the set of Pareto-optimal tuples in a relation, i.e., those tuples that are not dominated by any other tuple in the same relation. Although several algorit...
178
click to vote
SDM
2010
SIAM
15 years 8 months ago
2010
SIAM
Large graph databases are commonly collected and analyzed in numerous domains. For reasons related to either space efficiency or for privacy protection (e.g., in the case of socia...
165
click to vote
IS
2008
15 years 6 months ago
2008
Consistent query answering is the problem of characterizing and computing the semantically correct answers to queries from a database that may not satisfy certain integrity constr...
150
click to vote
CONTEXT
2003
Springer
15 years 11 months ago
2003
Springer
Abstract. In a previous paper, we proposed a first formal and conceptual comparison between the two most important formalizations of context in AI: Propositional Logic of Context ...