2607 search results - page 276 / 522 » An Ontology-Based Information Retrieval Model |
175
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SIGIR
2006
ACM
16 years 19 days ago
2006
ACM
Evaluating user preferences of web search results is crucial for search engine development, deployment, and maintenance. We present a real-world study of modeling the behavior of ...
202
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IDA
2006
Springer
15 years 6 months ago
2006
Springer
We introduce in this paper a generalization of the widely used hidden Markov models (HMM's), which we name "structural hidden Markov models" (SHMM). Our approach is ...
188
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CIKM
2010
Springer
15 years 5 months ago
2010
Springer
Bursty features in text streams are very useful in many text mining applications. Most existing studies detect bursty features based purely on term frequency changes without takin...
171
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WWW
2009
ACM
16 years 7 months ago
2009
ACM
We propose novel spatio-temporal models to estimate clickthrough rates in the context of content recommendation. We track article CTR at a fixed location over time through a dynam...
184
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CIKM
2008
Springer
15 years 8 months ago
2008
Springer
Statistical topic models provide a general data-driven framework for automated discovery of high-level knowledge from large collections of text documents. While topic models can p...