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114
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WWW
2004
ACM
16 years 3 months ago
2004
ACM
We propose a new distributed, fault-tolerant Peer-to-Peer index structure for resource discovery applications called the P-tree. P-trees efficiently support range queries in addit...
152
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SIGMOD
2007
ACM
16 years 2 months ago
2007
ACM
Date's popular critique of SQL's three-valued logic [4, 3] purports to demonstrate that SQL queries can produce erroneous results when nulls are present in the database....
195
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SIGMOD
2005
ACM
16 years 2 months ago
2005
ACM
Window queries are proving essential to data-stream processing. In this paper, we present an approach for evaluating sliding-window aggregate queries that reduces both space and c...
116
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ICPR
2010
IEEE
15 years 9 months ago
2010
IEEE
We present a fast technique for retrieving video clips using free-hand sketched queries. Visual keypoints within each video are detected and tracked to form short trajectories, wh...
122
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SISAP
2008
IEEE
15 years 9 months ago
2008
IEEE
In this article, we review the major paradigms for approximate similarity queries and propose a classification schema that easily allows existing approaches to be compared along ...