2063 search results - page 61 / 413 » Containment of Aggregate Queries |
VLDB
2005
ACM
15 years 5 months ago
2005
ACM
We extend the OLAP data model to represent data ambiguity, specifically imprecision and uncertainty, and introduce an allocation-based approach to the semantics of aggregation qu...
104
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IDEAS
1999
IEEE
15 years 4 months ago
1999
IEEE
Data-warehousing applications cope with enormous data sets in the range of Gigabytes and Terabytes. Queries usually either select a very small set of this data or perform aggregat...
112
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ICDE
2009
IEEE
15 years 6 months ago
2009
IEEE
— A paramount challenge in probabilistic databases is the scalable computation of confidences of tuples in query results. This paper introduces an efficient secondary-storage o...
ICCV
2003
IEEE
16 years 1 months ago
2003
IEEE
Texture segmentation is a difficult problem, as is apparent from camouflage pictures. A Textured region can contain texture elements of various sizes, each of which can itself be ...
CCCG
2010
15 years 1 months ago
2010
A set of n colored objects (points/hyperboxes) lie in IRd . Each object has a weight associated with it. Given a query orthogonal range q, for each distinct color c of the objects...