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» A General Method for Statistical Performance Evaluation
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CIKM
2009
Springer
15 years 4 months ago
Feature selection for ranking using boosted trees
Modern search engines have to be fast to satisfy users, so there are hard back-end latency requirements. The set of features useful for search ranking functions, though, continues...
Feng Pan, Tim Converse, David Ahn, Franco Salvetti...
JSSPP
2009
Springer
15 years 4 months ago
Modeling Parallel System Workloads with Temporal Locality
In parallel systems, similar jobs tend to arrive within bursty periods. This fact leads to the existence of the locality phenomenon, a persistent similarity between nearby jobs, in...
Tran Ngoc Minh, Lex Wolters
74
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SIGIR
2009
ACM
15 years 4 months ago
Approximating true relevance distribution from a mixture model based on irrelevance data
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 ...
Peng Zhang, Yuexian Hou, Dawei Song
ATAL
2007
Springer
15 years 3 months ago
Commitment-driven distributed joint policy search
Decentralized MDPs provide powerful models of interactions in multi-agent environments, but are often very difficult or even computationally infeasible to solve optimally. Here we...
Stefan J. Witwicki, Edmund H. Durfee
SIGCOMM
2005
ACM
15 years 3 months ago
Improving accuracy in end-to-end packet loss measurement
Measurement and estimation of packet loss characteristics are challenging due to the relatively rare occurrence and typically short duration of packet loss episodes. While active ...
Joel Sommers, Paul Barford, Nick G. Duffield, Amos...