2217 search results - page 250 / 444 » Rank-aware Query Optimization |
174
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APWEB
2005
Springer
15 years 12 months ago
2005
Springer
Summarizing topological relations is fundamental to many spatial applications including spatial query optimization. In this paper, we examine the selectivity estimation for range w...
146
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EDBTW
2004
Springer
15 years 12 months ago
2004
Springer
In this paper, we investigate how existing social networks can benefit P2P data networks by leveraging the inherent trust associated with social links. We present a trust model t...
176
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SOFSEM
2004
Springer
15 years 11 months ago
2004
Springer
Abstract. Research on processing XML documents gained much activity in recent times. XML query languages are mostly based on XPath expressions, which are used to select parts of XM...
142
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PVLDB
2008
15 years 6 months ago
2008
Beyond already existing huge data volumes, e-science communities face major challenges in managing the anticipated data deluge of forthcoming projects. Community-driven data grids...
165
Voted
IAT
2010
IEEE
15 years 4 months ago
2010
IEEE
This paper describes the design and implementation of backward chained clustered RDFS reasoning in 4store. The system presented, called "4s-reasoner", adds no overhead t...