950 search results - page 37 / 190 » Evaluation over thousands of queries |
DASFAA
2010
IEEE
13 years 9 months ago
2010
IEEE
Achieving data security over cooperating web services is becoming a reality, but existing XML access control architectures do not consider this federated service computing. In this...
ICDE
2005
IEEE
14 years 2 months ago
2005
IEEE
¡ Several systems have recently been proposed for the evaluation of XPath expressions. However, none of these systems have demonstrated both scalability with large document sizes ...
EDBT
2008
ACM
14 years 9 months ago
2008
ACM
This paper studies the problem of evaluating continuous multi-way joins on top of Distributed Hash Tables (DHTs). We present a novel algorithm, called recursive join (RJoin), that...
VLDB
2002
ACM
13 years 8 months ago
2002
ACM
Many valuable text databases on the web have non-crawlable contents that are "hidden" behind search interfaces. Metasearchers are helpful tools for searching over many s...
ICDE
1999
IEEE
14 years 10 months ago
1999
IEEE
We develop a data integration approach for the efficient evaluation of queries over autonomous source databases. The approach is based on some novel applications and extensions of...