2228 search results - page 42 / 446 » A System for Semantic Query Optimization |
CAISE
2003
Springer
14 years 2 months ago
2003
Springer
A federated Web-based multimedia information system on one hand gathers its data from various Web sources, on the other hand offers the end-user a rich semantics describing its co...
CORR
2011
Springer
13 years 4 months ago
2011
Springer
The MapReduce distributed programming framework has become popular, despite evidence that current implementations are inefficient, requiring far more hardware than a traditional r...
ICDE
2011
IEEE
13 years 26 days ago
2011
IEEE
— Uncertain data is quite common nowadays in a variety of modern database applications. At the same time, the join operation is one of the most important but expensive operations...
DEXA
2007
Springer
14 years 3 months ago
2007
Springer
The retrieval problem is one of the main reasoning tasks for knowledge base systems. Given a knowledge base K and a concept C, the retrieval problem consists of finding all indivi...
PSSS
2003
13 years 10 months ago
2003
Abstract: We present DLDB, a knowledge base system that extends a relational database management system with additional capabilities for DAML+OIL inference. We discuss a number of ...