9683 search results - page 313 / 1937 » Predicting query performance |
168
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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...
167
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IDEAS
2005
IEEE
16 years 9 days 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...
175
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GIS
2002
ACM
15 years 6 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 ...
179
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DASFAA
2009
IEEE
15 years 10 months ago
2009
IEEE
Abstract. Query expansion has received extensive attention in information retrieval community. Although semantic based query expansion appears to be promising in improving retrieva...
178
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ICIP
2003
IEEE
16 years 8 months ago
2003
IEEE
Although, computational Grid has been initially developed to solve large-scale scientific research problems, it is extended for commercial and industrial applications. An interest...