515 search results - page 53 / 103 » Query Decomposition, Optimization and Processing in Multidat... |
WWW
2004
ACM
15 years 10 months ago
2004
ACM
A technical infrastructure for storing, querying and managing RDF data is a key element in the current semantic web development. Systems like Jena, Sesame or the ICS-FORTH RDF Sui...
110
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GIS
2008
ACM
14 years 10 months ago
2008
ACM
In this paper we study in-network query processing in disconnected mobile environments, where both ad-hoc communication and infrastructure communication are available. Depending o...
103
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CVDB
2005
ACM
14 years 11 months ago
2005
ACM
The typical mode for querying in an image content-based information system is query-by-example, which allows the user to provide an image as a query and to search for similar imag...
155
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SIGMOD
2007
ACM
15 years 9 months ago
2007
ACM
Partial evaluation has recently proven an effective technique for evaluating Boolean XPath queries over a fragmented tree that is distributed over a number of sites. What left ope...
VLDB
1999
ACM
15 years 1 months ago
1999
ACM
Data intensive applications today usually run in either a clientserver or a middleware environment. In either case, they must efficiently handle both database queries, which proc...