2228 search results - page 14 / 446 » A System for Semantic Query Optimization |
ICDT
2012
ACM
11 years 10 months ago
2012
ACM
The problems of query containment, equivalence, and minimization are recognized as very important in the context of query processing, specifically of query optimization. In their...
WEBDB
2005
Springer
14 years 1 months ago
2005
Springer
As a simple XML query language but with enough expressive power, XPath has become very popular. To expedite evaluation of XPath queries, we consider the problem of caching results...
ESWS
2008
Springer
13 years 9 months ago
2008
Springer
In this contribution a system is presented, which provides access to distributed data sources using Semantic Web technology. While it was primarily designed for data sharing and sc...
PR
2006
13 years 7 months ago
2006
Performance evaluation of content-based image retrieval (CBIR) systems is an important but still unsolved problem. The reason for its importance is that only performance evaluatio...
SIGMOD
2006
ACM
14 years 8 months ago
2006
ACM
The continuous sliding-window query model is used widely in data stream management systems where the focus of a continuous query is limited to a set of the most recent tuples. In ...