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» Topic and keyword re-ranking for LDA-based topic modeling
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EWMF
2005
Springer
14 years 25 days ago
Semi-automatic Construction of Topic Ontologies
In this paper, we review two techniques for topic discovery in collections of text documents (Latent Semantic Indexing and K-Means clustering) and present how we integrated them in...
Blaz Fortuna, Dunja Mladenic, Marko Grobelnik
CIKM
2006
Springer
13 years 11 months ago
Improving novelty detection for general topics using sentence level information patterns
The detection of new information in a document stream is an important component of many potential applications. In this work, a new novelty detection approach based on the identif...
Xiaoyan Li, W. Bruce Croft
MM
2010
ACM
178views Multimedia» more  MM 2010»
13 years 7 months ago
Topical summarization of web videos by visual-text time-dependent alignment
Search engines are used to return a long list of hundreds or even thousands of videos in response to a query topic. Efficient navigation of videos becomes difficult and users ofte...
Song Tan, Hung-Khoon Tan, Chong-Wah Ngo
SIGIR
2008
ACM
13 years 7 months ago
Bilingual topic aspect classification with a few training examples
This paper explores topic aspect (i.e., subtopic or facet) classification for English and Chinese collections. The evaluation model assumes a bilingual user who has found document...
Yejun Wu, Douglas W. Oard
SIGIR
2008
ACM
13 years 7 months ago
Separate and inequal: preserving heterogeneity in topical authority flows
Web pages, like people, are often known by others in a variety of contexts. When those contexts are sufficiently distinct, a page's importance may be better represented by mu...
Lan Nie, Brian D. Davison