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SIGIR
2008
ACM
13 years 9 months ago
Novelty and diversity in information retrieval evaluation
Evaluation measures act as objective functions to be optimized by information retrieval systems. Such objective functions must accurately reflect user requirements, particularly w...
Charles L. A. Clarke, Maheedhar Kolla, Gordon V. C...
SIGIR
2011
ACM
13 years 13 days ago
Pseudo test collections for learning web search ranking functions
Test collections are the primary drivers of progress in information retrieval. They provide a yardstick for assessing the effectiveness of ranking functions in an automatic, rapi...
Nima Asadi, Donald Metzler, Tamer Elsayed, Jimmy L...
SIGIR
2012
ACM
12 years 1 days ago
Inferring missing relevance judgments from crowd workers via probabilistic matrix factorization
In crowdsourced relevance judging, each crowd worker typically judges only a small number of examples, yielding a sparse and imbalanced set of judgments in which relatively few wo...
Hyun Joon Jung, Matthew Lease
IHI
2010
186views Healthcare» more  IHI 2010»
13 years 4 months ago
Analysis of an online health social network
With the continued advances of Web 2.0, health-centered Online Social Networks (OSNs) are emerging to provide knowledge and support for those interested in managing their own heal...
Xiaoxiao Ma, Guanling Chen, Juntao Xiao
LREC
2008
115views Education» more  LREC 2008»
13 years 11 months ago
Evaluating Robustness Of A QA System Through A Corpus Of Real-Life Questions
This paper presents the sequential evaluation of the question answering system SQuaLIA. This system is based on the same sequential process as most statistical question answering ...
Laurianne Sitbon, Patrice Bellot, Philippe Blache