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102
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KDD
2009
ACM
16 years 9 days ago
2009
ACM
Search queries are typically very short, which means they are often underspecified or have senses that the user did not think of. A broad latent query aspect is a set of keywords ...
167
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SIGMOD
2007
ACM
15 years 12 months ago
2007
ACM
Many database applications require the analysis and processing of data streams. In such systems, huge amounts of data arrive rapidly and their values change over time. The variati...
96
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SIGMOD
2004
ACM
15 years 12 months ago
2004
ACM
XML is widely praised for its flexibility in allowing repeated and missing sub-elements. However, this flexibility makes it challenging to develop a bulk algebra, which typically ...
SODA
2010
ACM
15 years 9 months ago
2010
ACM
Spectral methods have been widely used in a broad range of application fields. One important object involved in such methods is the Laplace-Beltrami operator of a manifold. Indeed...
SODA
2010
ACM
15 years 9 months ago
2010
ACM
We consider the following model for fire containment. We are given an undirected graph G = (V, E) with a source vertex s where the fire starts. At each time step, the firefighters...