9683 search results - page 423 / 1937 » Query performance prediction |
130
Voted
WWW
2008
ACM
16 years 5 months ago
2008
ACM
This paper proposes several vectorial operators for processing XML twig queries, which are easy to be performed and inherently efficient for both Ancestor-Descendant (A-D) and Par...
159
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GPC
2010
Springer
15 years 11 months ago
2010
Springer
Scalability of reasoning systems is one of the main criteria which will determine the success of Semantic Web systems in the future. The focus of recent work is either on (a) expre...
131
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GLOBECOM
2006
IEEE
15 years 11 months ago
2006
IEEE
ā We compare the performance of various dynamic query abolishment mechanisms in different unstructured overlay network topologies such as found in several P2P systems. We speciļ¬...
144
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ADBIS
2005
Springer
15 years 10 months ago
2005
Springer
We present a formal analysis of the following view-selection problem: Given a set of queries and a database, return deļ¬nitions of views that, when materialized in the database, w...
141
Voted
APWEB
2005
Springer
15 years 10 months ago
2005
Springer
Multiresolution (or multi-scale) techniques make it possible for Web-based GIS applications to access large dataset. The performance of such systems relies on data transmission ove...