14649 search results - page 2702 / 2930 » Principles of problem solving |
194
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EOR
2011
14 years 10 months ago
2011
Combinatorial auctions have been used in procurement markets with economies of scope. Preference elicitation is already a problem in single-unit combinatorial auctions, but it bec...
231
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PODS
2011
ACM
14 years 9 months ago
2011
ACM
In deletion propagation, tuples from the database are deleted in order to reflect the deletion of a tuple from the view. Such an operation may result in the (often necessary) del...
203
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SIGIR
2011
ACM
14 years 9 months ago
2011
ACM
A key challenge in recommender system research is how to effectively profile new users, a problem generally known as cold-start recommendation. Recently the idea of progressivel...
181
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CIKM
2011
Springer
14 years 6 months ago
2011
Springer
In this paper, we reveal a common deficiency of the current retrieval models: the component of term frequency (TF) normalization by document length is not lower-bounded properly;...
200
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ICDCS
2011
IEEE
14 years 6 months ago
2011
IEEE
—Popular Internet services are hosted by multiple geographically distributed datacenters. The location of the datacenters has a direct impact on the services’ response times, c...