138 search results - page 11 / 28 » Combining concept hierarchies and statistical topic models |
108
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IMCSIT
2010
14 years 9 months ago
2010
This paper presents a methodology for learning taxonomic relations from a set of documents that each explain one of the concepts. Three different feature extraction approaches with...
103
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ECIR
2011
Springer
14 years 3 months ago
2011
Springer
Expert finding addresses the problem of retrieving a ranked list of people who are knowledgeable on a given topic. Several models have been proposed to solve this task, but so far...
120
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KNINVI
2005
Springer
15 years 5 months ago
2005
Springer
Information visualization has been a research topic for many years, leading to a mature field where guidelines and practices are well established. Knowledge visualization, in contr...
ICASSP
2011
IEEE
14 years 3 months ago
2011
IEEE
We address several challenges for applying statistical dialog managers based on Partially Observable Markov Models to real world problems: to deal with large numbers of concepts, ...
106
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SIGIR
2011
ACM
14 years 2 months ago
2011
ACM
The majority of the current information retrieval models weight the query concepts (e.g., terms or phrases) in an unsupervised manner, based solely on the collection statistics. I...