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COLING
2010
13 years 2 months ago
Bridging Topic Modeling and Personalized Search
This work presents a study to bridge topic modeling and personalized search. A probabilistic topic model is used to extract topics from user search history. These topics can be se...
Wei Song, Yu Zhang, Ting Liu, Sheng Li
SIGMOD
2008
ACM
164views Database» more  SIGMOD 2008»
14 years 7 months ago
Finding frequent items in probabilistic data
Computing statistical information on probabilistic data has attracted a lot of attention recently, as the data generated from a wide range of data sources are inherently fuzzy or ...
Qin Zhang, Feifei Li, Ke Yi
AAAI
1998
13 years 9 months ago
Fast Probabilistic Modeling for Combinatorial Optimization
Probabilistic models have recently been utilized for the optimization of large combinatorial search problems. However, complex probabilistic models that attempt to capture interpa...
Shumeet Baluja, Scott Davies
PODS
2007
ACM
131views Database» more  PODS 2007»
14 years 7 months ago
Provenance semirings
We show that relational algebra calculations for incomplete databases, probabilistic databases, bag semantics and whyprovenance are particular cases of the same general algorithms...
Todd J. Green, Gregory Karvounarakis, Val Tannen
WWW
2002
ACM
14 years 8 months ago
Probabilistic question answering on the web
Web-based search engines such as Google and NorthernLight return documents that are relevant to a user query, not answers to user questions. We have developed an architecture that...
Dragomir R. Radev, Weiguo Fan, Hong Qi, Harris Wu,...