4051 search results - page 46 / 811 » Aggregation |
206
Voted
ICDE
2001
IEEE
16 years 1 months ago
2001
IEEE
We study the problem of approximately answering aggregation queries using sampling. We observe that uniform sampling performs poorly when the distribution of the aggregated attrib...
75
Voted
ICPR
2008
IEEE
16 years 1 months ago
2008
IEEE
Recent research activity on stereo matching has proved the efficacy of local approaches based on advanced cost aggregation strategies in accurately retrieving 3D information. Howe...
217
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GIS
2004
ACM
16 years 1 months ago
2004
ACM
Spatial, temporal and spatio-temporal aggregates over continuous streams of remotely sensed image data build a fundamental operation in many applications in the environmental scie...
121
Voted
WWW
2007
ACM
16 years 1 months ago
2007
ACM
Continuous queries are used to monitor changes to time varying data and to provide results useful for online decision making. Typically a user desires to obtain the value of some ...
96
Voted
WWW
2007
ACM
16 years 1 months ago
2007
ACM
This paper is concerned with rank aggregation, the task of combining the ranking results of individual rankers at meta-search. Previously, rank aggregation was performed mainly by...