344 search results - page 48 / 69 » Triggers over XML views of relational data |
SEMWEB
2004
Springer
14 years 1 months ago
2004
Springer
Abstract. OWL-S allows selecting, composing and invoking Web Serdifferent levels of abstraction: selection uses high level abstract descriptions, invocation uses low level groundi...
WEBDB
2000
Springer
14 years 1 days ago
2000
Springer
Rewriting queries using views is a powerful technique that has applications in data integration, data warehousing and query optimization. Query rewriting in relational databases i...
SIGMOD
1997
ACM
14 years 20 days ago
1997
ACM
Data warehouses contain large amounts of information, often collected from a variety of independent sources. Decision-support functions in a warehouse, such as on-line analytical ...
ANCS
2010
ACM
13 years 5 months ago
2010
ACM
Over the past few years, researchers have developed many crosslayer wireless protocols to improve the performance of wireless networks. Experimental evaluations of these protocols...
SIGMOD
2003
ACM
14 years 8 months ago
2003
ACM
Webcams, microphones, pressure gauges and other sensors provide exciting new opportunities for querying and monitoring the physical world. In this paper we focus on querying wide ...