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179
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SIGECOM
2009
ACM
16 years 1 months ago
2009
ACM
We study protocols to enable one user (the principal) to make potentially profitable but risky interactions with another user (the agent), in the absence of direct trust between ...
196
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SIGIR
2009
ACM
16 years 1 months ago
2009
ACM
Although many variants of language models have been proposed for information retrieval, there are two related retrieval heuristics remaining “external” to the language modelin...
168
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SIGIR
2009
ACM
16 years 1 months ago
2009
ACM
Pseudo relevance feedback (PRF), which has been widely applied in IR, aims to derive a distribution from the top n pseudo relevant documents D. However, these documents are often ...
206
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SIGIR
2009
ACM
16 years 1 months ago
2009
ACM
This paper studies document ranking under uncertainty. It is tackled in a general situation where the relevance predictions of individual documents have uncertainty, and are depen...
206
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SIGMETRICS
2009
ACM
16 years 1 months ago
2009
ACM
We consider the problem of admission control in resource sharing systems, such as web servers and transaction processing systems, when the job size distribution has high variabili...