418 search results - page 60 / 84 » Optimizing Large Join Queries in Mediation Systems |
SIGMOD
2005
ACM
14 years 7 months ago
2005
ACM
Many analysis and monitoring applications require the repeated execution of expensive modeling functions over streams of rapidly changing data. These applications can often be exp...
ICDE
2007
IEEE
14 years 9 months ago
2007
IEEE
RFID technology provides significant advantages over traditional object-tracking technology and is increasingly adopted and deployed in real applications. RFID applications genera...
HPDC
2010
IEEE
13 years 8 months ago
2010
IEEE
Current projects that automate the collection of provenance information use a centralized architecture for managing the resulting metadata - that is, provenance is gathered at rem...
SEMWEB
2009
Springer
14 years 2 months ago
2009
Springer
Abstract. Query answering for the QL profile of OWL 2 and a substantial fragment of the EL profile can be implemented via query rewriting. In our previous work, we presented RQR...
ISMIS
1999
Springer
13 years 12 months ago
1999
Springer
Semantic Query Optimisation makes use of the semantic knowledge of a database (rules) to perform query transformation. Rules are normally learned from former queries fired by the u...