958 search results - page 128 / 192 » Efficient data structures for range-aggregate queries on tre... |
CIKM
2005
Springer
14 years 12 months ago
2005
Springer
A critical issue in moving object databases is to develop appropriate indexing structures for continuously moving object locations so that queries can still be performed efficien...
DASFAA
2004
IEEE
15 years 1 months ago
2004
IEEE
For event filtering of publish/subscribe system, significant research efforts have been dedicated to techniques based on multiple one-dimensional indexes built on attributes of sub...
100
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IWMMDBMS
1996
14 years 11 months ago
1996
The maintenance of large raster images under spatial operations is still a major performance bottleneck. For reasons of storage space, images in a collection, such as satellite pi...
ADBIS
2000
Springer
15 years 2 months ago
2000
Springer
When dealing with large quantities of clauses, the use of persistent knowledge is inevitable, and indexing methods are essential to answer queries efficiently. We introduce PerKMan...
240
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ICDE
2003
IEEE
15 years 11 months ago
2003
IEEE
Analyzing sequence data has become increasingly important recently in the area of biological sequences, text documents, web access logs, etc. In this paper, we investigate the pro...