2853 search results - page 252 / 571 » On the Efficiency of Provenance Queries |
157
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ADBIS
2010
Springer
15 years 8 months ago
2010
Springer
Abstract. The need for location-based services has motivated an important research effort in the efficient processing of location-dependent queries. Most of the existing approaches...
194
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WSMAI
2004
15 years 8 months ago
2004
Continuous Queries (CQ) help users to retrieve results as soon as they become available. The CQ keeps track of two important events. If there is any change in the source informatio...
181
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DMDW
2000
15 years 8 months ago
2000
View materialization is a central issue in logical design of data warehouses since it is one of the most powerful techniques to improve the response to the workload. Most approach...
159
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DPD
2008
15 years 6 months ago
2008
The continuous partial match query is a partial match query whose result remains consistently in the client's memory. Conventional cache invalidation methods for mobile client...
206
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PVLDB
2008
15 years 6 months ago
2008
This paper studies, for the first time, the management of type information for an important class of semi-structured data: nested DAGs (Directed Acyclic Graphs) that describe exec...