197 search results - page 4 / 40 » Identifying relevant constraints for semantic query optimiza... |
ICDE
1997
IEEE
14 years 8 months ago
1997
IEEE
2. ODB-QOPTIMIZER : the tool ODB-QOPTIMIZERis a ODMG 93 compliant tool for the schema validation and semantic query optimization. The approach is based on two fundamental ingredien...
RIAO
2007
13 years 9 months ago
2007
Web semantic access in specific domains calls for specialized search engines with enhanced semantic querying and indexing capacities, which pertain both to information retrieval (...
KDD
1994
ACM
13 years 11 months ago
1994
ACM
Semantic query optimization can dramatically speed up database query answering by knowledge intensive reformulation. But the problem of how to learn required semantic rules has no...
PODS
2010
ACM
14 years 17 days ago
2010
ACM
Both semantic and type-based query optimization rely on the idea that queries often exhibit non-trivial rewritings if the state space of the database is restricted. Despite their ...
VLDB
1999
ACM
13 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 ...