2514 search results - page 251 / 503 » On the Computation of Approximations of Database Queries |
286
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ICDE
2007
IEEE
16 years 8 months ago
2007
IEEE
Poor quality data is prevalent in databases due to a variety of reasons, including transcription errors, lack of standards for recording database fields, etc. To be able to query ...
174
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CIKM
2009
Springer
16 years 1 months ago
2009
Springer
This paper proposes a strategy to reduce the amount of hardware involved in the solution of search engine queries. It proposes using a secondary compact cache that keeps minimal i...
224
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SIGMOD
2004
ACM
16 years 6 months ago
2004
ACM
Virtually every commercial query optimizer chooses the best plan for a query using a cost model that relies heavily on accurate cardinality estimation. Cardinality estimation erro...
197
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GPC
2010
Springer
16 years 1 months ago
2010
Springer
Scalability of reasoning systems is one of the main criteria which will determine the success of Semantic Web systems in the future. The focus of recent work is either on (a) expre...
237
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SAC
2010
ACM
16 years 1 months ago
2010
ACM
In this paper, we explore the problem of processing a novel type of location based queries, named the location based top-k query, which involves both of spatial and non-spatial sp...