2607 search results - page 341 / 522 » An Ontology-Based Information Retrieval Model |
186
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CIKM
2008
Springer
15 years 8 months ago
2008
Springer
Topic modeling has been a key problem for document analysis. One of the canonical approaches for topic modeling is Probabilistic Latent Semantic Indexing, which maximizes the join...
194
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KCAP
2003
ACM
15 years 12 months ago
2003
ACM
Electronic concept mapping tools empower experts to play an active role in the knowledge capture process, and provide a medium for building richly connected multimedia knowledge m...
209
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WWW
2008
ACM
16 years 7 months ago
2008
ACM
Automatic topic discovery and tracking on web-shared videos can greatly benefit both web service providers and end users. Most of current solutions of topic detection and tracking...
184
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IRI
2008
IEEE
16 years 1 months ago
2008
IEEE
This paper introduces a novel algorithm for estimating energy expenditure during physical activity. The estimation is based on acceleration data measured from a wrist-worn acceler...
219
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SOCIALCOM
2010
15 years 4 months ago
2010
Theme network is a semantic network of document specific themes. So far Natural Language Processing (NLP) research patronized much of topic based summarizer system, unable to captu...