9683 search results - page 1335 / 1937 » Predicting query performance |
171
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CW
2005
IEEE
16 years 23 days ago
2005
IEEE
Different information retrieval (IR) systems often return very diverse results lists for the same query. This is problematic for users since no one IR system works best for every ...
175
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P2P
2005
IEEE
16 years 22 days ago
2005
IEEE
We address the problem of highly transient populations in unstructured and loosely-structured peerto-peer systems. We propose a number of illustrative query-related strategies and...
177
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SAC
2005
ACM
16 years 21 days ago
2005
ACM
: Traditional spatial indexes like R-tree usually assume the database is not updated frequently. In applications like location-based services and sensor networks, this assumption i...
186
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ADC
2005
Springer
16 years 21 days ago
2005
Springer
In this paper we attempt to parallelise a commodity database for OLAP on a cluster of commodity PCs by using a distributed high-performance storage subsystem. By parallelising the...
200
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CIKM
2005
Springer
16 years 21 days ago
2005
Springer
Holistic twig join algorithms represent the state of the art for evaluating path expressions in XML queries. Using inverted indexes on XML elements, holistic twig joins move a set...