620 search results - page 77 / 124 » Algorithms for Rewriting Aggregate Queries Using Views |
148
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SIGGRAPH
1997
ACM
15 years 8 months ago
1997
ACM
Interactive modeling of 3-D solids is an important and difficult problem in computer graphics. The Constructive Solid Geometry (CSG) modeling scheme is highly attractive for inte...
146
Voted
PVLDB
2008
15 years 3 months ago
2008
Time series data is common in many settings including scientific and financial applications. In these applications, the amount of data is often very large. We seek to support pred...
155
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PODS
2008
ACM
16 years 4 months ago
2008
ACM
We present a formal framework for capturing the provenance of data appearing in XQuery views of XML. Building on previous work on relations and their (positive) query languages, w...
154
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ICIP
2001
IEEE
16 years 5 months ago
2001
IEEE
In this paper a region-based color image indexing and retrieval algorithm is presented. As a basis for the indexing, a novel K-Means segmentation algorithm is used, modified so as...
242
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SIGMOD
2005
ACM
16 years 4 months ago
2005
ACM
Complex queries over high speed data streams often need to rely on approximations to keep up with their input. The research community has developed a rich literature on approximat...