792 search results - page 24 / 159 » Computing Iceberg Queries Efficiently |
166
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ICDE
2009
IEEE
15 years 11 months ago
2009
IEEE
In recent years, the sketch-based technique has been presented as an effective method for counting stream items on processors with limited storage and processing capabilities, such...
RTCSA
2008
IEEE
15 years 4 months ago
2008
IEEE
This paper addresses the problem of using the Location IDentifier (LID) as the domain value of the index for trajectories of RFID tags and proposes the solution for solving this p...
151
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SIGMOD
2007
ACM
15 years 10 months ago
2007
ACM
Top-k processing in uncertain databases is semantically and computationally different from traditional top-k processing. The interplay between query scores and data uncertainty ma...
101
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CCS
2008
ACM
14 years 11 months ago
2008
ACM
We propose an approach for the selective enforcement of access control restrictions in, possibly distributed, large data collections based on two basic concepts: i) flexible autho...
167
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ICDE
2009
IEEE
15 years 11 months ago
2009
IEEE
Consider multiple users searching for a hotel room, based on size, cost, distance to the beach, etc. Users may have variable preferences expressed by different weights on the attri...