2546 search results - page 130 / 510 » Managing long-running queries |
210
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IDEAS
2009
IEEE
16 years 1 months ago
2009
IEEE
In this paper, we present our work on evaluating the skyline algorithms BNL, SFS, and a variant of LESS in PostgreSQL. It is well known that the performance of skyline queries is ...
202
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ISPAN
2009
IEEE
16 years 1 months ago
2009
IEEE
Abstract—Querying non-conventional data sources is recognized as a major issue in new environments and applications such as those occurring in pervasive computing. A key issue is...
162
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CIKM
2009
Springer
16 years 1 months ago
2009
Springer
Bitmap indexes are widely used in Decision Support Systems (DSSs) to improve query performance. In this paper, we evaluate the use of compressed inverted indexes with adapted quer...
182
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JVA
2006
IEEE
16 years 16 days ago
2006
IEEE
In this paper, we will introduce to describe learning resources by using ontology model based on metadata of learning standard as Sharable Content Object Reference Model (SCORM) a...
188
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DAWAK
2009
Springer
15 years 10 months ago
2009
Springer
Skyline queries have gained much attention as alternative query semantics with pros (e.g.low query formulation overhead) and cons (e.g.large control over result size). To overcome ...