24105 search results - page 223 / 4821 » Models in Information Retrieval |
177
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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...
167
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SIGIR
2006
ACM
16 years 14 days ago
2006
ACM
Vector Space Model (VSM) has been at the core of information retrieval for the past decades. VSM considers the documents as vectors in high dimensional space. In such a vector spa...
213
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MIR
2003
ACM
15 years 11 months ago
2003
ACM
CDN (Content Delivery Networks) improves end-user performance by replicating web contents on a group of geographically distributed content servers. Replication Algorithm plays an ...
186
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WWW
2008
ACM
16 years 7 months ago
2008
ACM
In this paper, we propose a novel unsupervised approach to query segmentation, an important task in Web search. We use a generative query model to recover a query's underlyin...
235
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SIGIR
2012
ACM
13 years 9 months ago
2012
ACM
We consider the task of suggesting related queries to users after they issue their initial query to a web search engine. We propose a machine learning approach to learn the probab...