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139
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SDM
2011
SIAM
14 years 2 months ago
2011
SIAM
This paper describes one of the first attempts to model the temporal structure of massive data streams in real-time using data stream clustering. Recently, many data stream clust...
121
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SIAMIS
2011
14 years 2 months ago
2011
We analyze the illumination invariance of the level lines of an image. We show that if the scene surface has Lambertian reflectance and the light is directed, then a necessary and...
196
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SIGIR
2011
ACM
14 years 2 months ago
2011
ACM
Large search engines process thousands of queries per second over billions of documents, making query processing a major performance bottleneck. An important class of optimization...
105
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SIGIR
2011
ACM
14 years 2 months ago
2011
ACM
The situation in which a choice is made is an important information for recommender systems. Context-aware recommenders take this information into account to make predictions. So ...
152
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SIGIR
2011
ACM
14 years 2 months ago
2011
ACM
As the Internet grows explosively, search engines play a more and more important role for users in effectively accessing online information. Recently, it has been recognized that ...