9683 search results - page 659 / 1937 » Predicting query performance |
175
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SEMWEB
2009
Springer
16 years 2 months ago
2009
Springer
Significant efforts have focused in the past years on bringing large amounts of metadata online and the success of these efforts can be seen by the impressive number of web site...
193
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EUROPAR
2007
Springer
16 years 1 months ago
2007
Springer
Abstract. We introduce SONAR, a structured overlay to store and retrieve objects addressed by multi-dimensional names (keys). The overlay has the shape of a multi-dimensional torus...
167
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NLDB
2007
Springer
16 years 1 months ago
2007
Springer
Abstract. In this paper, we target document ranking in a highly technical field with the aim to approximate a ranking that is obtained through an existing ontology (knowledge stru...
176
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P2P
2006
IEEE
16 years 1 months ago
2006
IEEE
The idea of building query-oriented routing indices has changed the way of improving routing efficiency from the basis as it can learn the content distribution during the query r...
224
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VLDB
2005
ACM
16 years 28 days ago
2005
ACM
Nested iteration is an important technique for query evaluation. It is the default way of executing nested subqueries in SQL. Although decorrelation often results in cheaper non-n...