9683 search results - page 313 / 1937 » Query performance prediction |
232
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ICDE
2008
IEEE
16 years 5 months ago
2008
IEEE
This paper introduces a framework for processing continuous, exact queries over continuous update XML streams. Instead of eagerly performing the updates on cached portions of the s...
169
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IDEAS
2009
IEEE
15 years 10 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 ...
119
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CIKM
2009
Springer
15 years 10 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...
126
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IDEAS
2005
IEEE
15 years 9 months ago
2005
IEEE
We introduce and study a new class of queries that we refer to as ACMA (arithmetic constraints on multiple attributes) queries. Such combinatorial queries require the simultaneous...
140
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GIS
2002
ACM
15 years 3 months ago
2002
ACM
The paper describes how the Web can be used as a support for intensive querying and display of large moving objects databases. We present first an architecture for a system which ...