579 search results - page 36 / 116 » Modeling word burstiness using the Dirichlet distribution |
147
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SIGIR
2005
ACM
15 years 11 months ago
2005
ACM
Informal communication (e-mail, bulletin boards) poses a difficult learning environment because traditional grammatical and lexical information are noisy. Other information is nec...
156
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HPDC
2007
IEEE
16 years 12 days ago
2007
IEEE
We study stochastic models to mitigate the risk of poor Quality-of-Service (QoS) in computational markets. Consumers who purchase services expect both price and performance guaran...
214
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WWW
2009
ACM
16 years 6 months ago
2009
ACM
Users of social networking services can connect with each other by forming communities for online interaction. Yet as the number of communities hosted by such websites grows over ...
188
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KDD
2010
ACM
15 years 10 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...
169
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ENTCS
2008
15 years 6 months ago
2008
Integrated Development Environments supporting software and model evolution have to deal with the problem of maintaining coherence between code and model despite changes which may...