4127 search results - page 23 / 826 » Evaluation methods for topic models |
ICDM
2009
IEEE
15 years 4 months ago
2009
IEEE
—Knowledge discovery from scientific articles has received increasing attentions recently since huge repositories are made available by the development of the Internet and digit...
SIGIR
2002
ACM
14 years 9 months ago
2002
ACM
Topic Detection and Tracking (TDT) tasks are evaluated using a cost function. The standard TDT cost function assumes a constant probability of relevance P(rel) across all topics. ...
118
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WWW
2010
ACM
15 years 4 months ago
2010
ACM
With the prosperity of tourism and Web 2.0 technologies, more and more people have willingness to share their travel experiences on the Web (e.g., weblogs, forums, or Web 2.0 comm...
100
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KDD
2010
ACM
15 years 1 months ago
2010
ACM
We propose an online topic model for sequentially analyzing the time evolution of topics in document collections. Topics naturally evolve with multiple timescales. For example, so...
SIGIR
2008
ACM
14 years 9 months ago
2008
ACM
Topical noise in blogs arises when bloggers digress from the central topical thrust of their blogs. We introduce a method to explicitly incorporate a model of topical noise into a...