2853 search results - page 155 / 571 » On the Efficiency of Provenance Queries |
265
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ICDE
2006
IEEE
16 years 7 months ago
2006
IEEE
We propose XSEED, a synopsis of path queries for cardinality estimation that is accurate, robust, efficient, and adaptive to memory budgets. XSEED starts from a very small kernel,...
279
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ICDE
2008
IEEE
16 years 7 months ago
2008
IEEE
We introduce a convoy query that retrieves all convoys from historical trajectories, each of which consists of a set of objects that travelled closely during a certain time period....
306
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ICDE
2007
IEEE
16 years 7 months ago
2007
IEEE
Top-k processing in uncertain databases is semantically and computationally different from traditional top-k processing. The interplay between score and uncertainty makes traditio...
274
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ICDE
2006
IEEE
16 years 7 months ago
2006
IEEE
ConQueSt is a constraint-based querying system devised with the aim of supporting the intrinsically exploratory nature of pattern discovery. It provides users with an expressive c...
169
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WWW
2006
ACM
16 years 7 months ago
2006
ACM
An important issue arising from large scale data integration is how to efficiently select the top-K ranking answers from multiple sources while minimizing the transmission cost. T...