2607 search results - page 231 / 522 » An Ontology-Based Information Retrieval Model |
185
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SIGIR
2012
ACM
13 years 9 months ago
2012
ACM
Query auto-completion (QAC) is a common feature in modern search engines. High quality QAC candidates enhance search experience by saving users time that otherwise would be spent ...
160
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RIAO
2000
15 years 8 months ago
2000
It is a traditional belief that in order to scale-up to more effective retrieval and access methods modern Information Retrieval has to consider more the text content. The modalit...
194
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CIKM
2010
Springer
15 years 5 months ago
2010
Springer
This paper introduces the notion of temporally constrained ranked retrieval, which, given a query and a time constraint, produces the best possible ranked list within the specifi...
179
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ECIR
2007
Springer
15 years 8 months ago
2007
Springer
A common task in many applications is to find persons who are knowledgeable about a given topic (i.e., expert finding). In this paper, we propose and develop a general probabilis...
161
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SIGIR
2002
ACM
15 years 6 months ago
2002
ACM
We develop a method for predicting query performance by computing the relative entropy between a query language model and the corresponding collection language model. The resultin...