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ICDE
2003
IEEE
15 years 11 months ago
2003
IEEE
Structural join operations are central to evaluating queries against XML data, and are typically responsible for consuming a lion's share of the query processing time. Thus, ...
LAWEB
2005
IEEE
15 years 3 months ago
2005
IEEE
Storing and querying Resource Description Framework (RDF) data is one of the basic tasks within any Semantic Web application. A number of storage systems provide assistance for th...
CORR
1999
Springer
14 years 9 months ago
1999
Springer
Complex queries are becoming commonplace, with the growing use of decision support systems. These complex queries often have a lot of common sub-expressions, either within a singl...
VTC
2008
IEEE
15 years 4 months ago
2008
IEEE
—In this paper, a quality-of-service driven routing protocol is proposed for wireless cooperative networks. The key contribution of the proposed protocol is to bring the performa...
ILP
2003
Springer
15 years 3 months ago
2003
Springer
Query optimization is used frequently in relational database management systems. Most existing techniques are based on reordering the relational operators, where the most selective...