735 search results - page 55 / 147 » TREC: Experiment and evaluation in information retrieval |
104
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SIGIR
2005
ACM
15 years 7 months ago
2005
ACM
This paper develops a general, formal framework for modeling term dependencies via Markov random fields. The model allows for arbitrary text features to be incorporated as eviden...
110
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CONTEXT
2007
Springer
15 years 5 months ago
2007
Springer
Abstract. A key challenge in information retrieval is the use of contextual evidence within ad-hoc retrieval. Our contribution is particularly based on the belief that contextual r...
108
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JIS
2006
15 years 1 months ago
2006
Query expansion terms are often used to enhance original query formulations in document retrieval. Such terms are usually selected from the entire documents or from windows or pas...
SIGIR
2008
ACM
15 years 1 months ago
2008
ACM
Ranking algorithms, whose goal is to appropriately order a set of objects/documents, are an important component of information retrieval systems. Previous work on ranking algorith...
131
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WSDM
2009
ACM
15 years 8 months ago
2009
ACM
In this paper, we investigate the difference between Wikipedia and Web link structure with respect to their value as indicators of the relevance of a page for a given topic of re...