19979 search results - page 3851 / 3996 » Decision support systems |
182
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KDD
2009
ACM
16 years 7 months ago
2009
ACM
All Netflix Prize algorithms proposed so far are prohibitively costly for large-scale production systems. In this paper, we describe an efficient dataflow implementation of a coll...
267
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PODS
2009
ACM
16 years 7 months ago
2009
ACM
An inverse of a schema mapping M is intended to "undo" what M does, thus providing a way to perform "reverse" data exchange. In recent years, three different f...
136
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MOBISYS
2009
ACM
16 years 7 months ago
2009
ACM
Wi-Fi clients can obtain much better performance at some commercial hotspots than at others. Unfortunately, there is currently no way for users to determine which hotspot access p...
160
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MOBIHOC
2009
ACM
16 years 7 months ago
2009
ACM
Routing is one of the most challenging open problems in disruption-tolerant networks (DTNs) because of the shortlived wireless connectivity environment. To deal with this issue, r...
191
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MOBIHOC
2009
ACM
16 years 7 months ago
2009
ACM
The study in mobile ad-hoc networks (MANET) is facing challenges brought by recent discovery of non-exponential behavior of the inter-contact time distribution of mobile nodes. In...