2228 search results - page 1 / 446 » A System for Semantic Query Optimization |
ICDE
1995
IEEE
14 years 8 months ago
1995
IEEE
DEXAW
2007
IEEE
14 years 1 months ago
2007
IEEE
The semantic web represents meta-data as a relation of triples using the RDF data model. We have developed a virtual repository system that enables to process queries to RDF views...
SIGMOD
1987
ACM
13 years 10 months ago
1987
ACM
PODS
2010
ACM
14 years 3 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 ...
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...