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SIGIR
2010
ACM
14 years 4 months ago
PRES: a score metric for evaluating recall-oriented information retrieval applications
Information retrieval (IR) evaluation scores are generally designed to measure the effectiveness with which relevant documents are identified and retrieved. Many scores have been ...
Walid Magdy, Gareth J. F. Jones
SIGIR
2009
ACM
15 years 4 months ago
Compressing term positions in web indexes
Large search engines process thousands of queries per second on billions of pages, making query processing a major factor in their operating costs. This has led to a lot of resear...
Hao Yan, Shuai Ding, Torsten Suel
SIGIR
2009
ACM
15 years 4 months ago
Entropy-biased models for query representation on the click graph
Query log analysis has received substantial attention in recent years, in which the click graph is an important technique for describing the relationship between queries and URLs....
Hongbo Deng, Irwin King, Michael R. Lyu
SIGIR
2009
ACM
15 years 4 months ago
Portfolio theory of information retrieval
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...
Jun Wang, Jianhan Zhu
SIGIR
2009
ACM
15 years 4 months ago
Learning to recommend with social trust ensemble
As an indispensable technique in the field of Information Filtering, Recommender System has been well studied and developed both in academia and in industry recently. However, mo...
Hao Ma, Irwin King, Michael R. Lyu