2228 search results - page 59 / 446 » A System for Semantic Query Optimization |
ICCCN
2007
IEEE
14 years 1 months ago
2007
IEEE
A good P2P file sharing system is usually expected to achieve the following design goals: scalability, routing efficiency and complex query support. In this paper, we propose such ...
SBBD
2004
13 years 10 months ago
2004
Learning Content Management Systems (LCMS) store and manage e-learning content and play an important role in the development of Distance Learning technology. ROSA (Repository of O...
CIKM
2001
Springer
14 years 1 months ago
2001
Springer
Existing approaches for optimizing queries in data integration use decoupled strategies–attempting to optimize coverage and cost in two separate phases. Since sources tend to ha...
SIGMOD
2001
ACM
14 years 9 months ago
2001
ACM
Time-referenced data are pervasive in most real-world databases. Recent advances in temporal query languages show that such database applications may benefit substantially from bu...
VLDB
1991
ACM
14 years 21 days ago
1991
ACM
In this paper we describe a rule-based approach to semantic specification that can be used to establish semantic agreement between a source and receiver. Query processing techniqu...