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123
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BIBE
2008
IEEE
15 years 9 months ago
2008
IEEE
— Recent studies in the field of molecular imaging have demonstrated the need for PET probes capable of imaging very weak activity distributions. Over this range of applications ...
126
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CISS
2008
IEEE
15 years 9 months ago
2008
IEEE
Abstract— The growth of video content and diversification of content-sharing methods in the Internet lead to an exciting range of new problems in networking, communications, and...
115
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CISS
2008
IEEE
2008
IEEE
A lower-bound on the number of rankings required in recommender systems using collaborativ filtering
15 years 9 months ago
— We consider the situation where users rank items from a given set, and each user ranks only a (small) subset of all items. We assume that users can be classified into C classe...
141
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FOCS
2008
IEEE
15 years 9 months ago
2008
IEEE
Learning problems form an important category of computational tasks that generalizes many of the computations researchers apply to large real-life data sets. We ask: what concept ...
149
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HPDC
2008
IEEE
15 years 9 months ago
2008
IEEE
If the model of free-form queries, which has proved successful for HTML based search on the Web, is made available for Grid services, it will serve as a powerful tool for scientis...