2607 search results - page 194 / 522 » An Ontology-Based Information Retrieval Model |
186
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CIKM
2009
Springer
16 years 1 months ago
2009
Springer
In this paper, the task of text segmentation is approached from a topic modeling perspective. We investigate the use of latent Dirichlet allocation (LDA) topic model to segment a ...
172
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ISCAS
2008
IEEE
16 years 29 days ago
2008
IEEE
— In this paper, a new statistical model is proposed for modeling the nature images in the transform domain. We demonstrate that the von Mises distribution (VM) fits accurately ...
210
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SIGIR
2004
ACM
15 years 12 months ago
2004
ACM
Information filtering has made considerable progress in recent years.The predominant approaches are content-based methods and collaborative methods. Researchers have largely conc...
200
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WSDM
2012
ACM
14 years 2 months ago
2012
ACM
Many vertical search tasks such as local search focus on specific domains. The meaning of relevance in these verticals is domain-specific and usually consists of multiple well-d...
166
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CLEF
2005
Springer
16 years 3 days ago
2005
Springer
Abstract. This paper describes an investigation of data fusion techniques for spoken document retrieval. The effectiveness of retrievals solely based on the outputs from automatic...