3225 search results - page 480 / 645 » Query Optimization by Stored Queries |
177
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ESWS
2008
Springer
15 years 8 months ago
2008
Springer
In this contribution a system is presented, which provides access to distributed data sources using Semantic Web technology. While it was primarily designed for data sharing and sc...
168
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BDA
2006
15 years 7 months ago
2006
XML data projection (or pruning) is one of the main optimization techniques recently adopted in the context of main-memory XML query-engines. The underlying idea is quite simple: ...
175
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COMCOM
2008
15 years 6 months ago
2008
The idea of building query-oriented routing indices has changed the way of improving keyword search efficiency from the basis as it can learn the content distribution from the que...
201
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PVLDB
2008
15 years 5 months ago
2008
Supporting graceful schema evolution represents an unsolved problem for traditional information systems that is further exacerbated in web information systems, such as Wikipedia a...
182
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FOCS
2010
IEEE
15 years 4 months ago
2010
IEEE
Abstract--We consider statistical data analysis in the interactive setting. In this setting a trusted curator maintains a database of sensitive information about individual partici...