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169
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CHI
2004
ACM
16 years 6 months ago
2004
ACM
We investigate the prevalence and learning impact of different types of off-task behavior in classrooms where students are using intelligent tutoring software. We find that within...
243
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PODS
2001
ACM
16 years 6 months ago
2001
ACM
The dimensionality curse has profound e ects on the effectiveness of high-dimensional similarity indexing from the performance perspective. One of the well known techniques for im...
162
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JCDL
2009
ACM
16 years 1 months ago
2009
ACM
The utility of an enterprise search system is determined by three key players: the information retrieval (IR) system (the search engine), the enterprise users, and the service pro...
166
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SIGECOM
2009
ACM
16 years 1 months ago
2009
ACM
We study online pricing problems in markets with cancellations, i.e., markets in which prior allocation decisions can be revoked, but at a cost. In our model, a seller receives re...
173
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ATAL
2007
Springer
16 years 21 days ago
2007
Springer
Decentralized Markov Decision Processes (DEC-MDPs) are a popular model of agent-coordination problems in domains with uncertainty and time constraints but very difficult to solve...