106 search results - page 4 / 22 » Generating a Topic Hierarchy from Dialect Texts |
CVPR
2008
IEEE
14 years 8 months ago
2008
IEEE
Objects in the world can be arranged into a hierarchy based on their semantic meaning (e.g. organism ? animal ? feline ? cat). What about defining a hierarchy based on the visual ...
WSDM
2009
ACM
14 years 24 days ago
2009
ACM
Text streams are becoming more and more ubiquitous, in the forms of news feeds, weblog archives and so on, which result in a large volume of data. An effective way to explore the...
RIAO
2000
13 years 7 months ago
2000
Given a set of categories, with or without a preexisting hierarchy among them, we consider the problem of assigning documents to one or more of these categories from the point of ...
ICDM
2007
IEEE
14 years 9 days ago
2007
IEEE
Most topic models, such as latent Dirichlet allocation, rely on the bag-of-words assumption. However, word order and phrases are often critical to capturing the meaning of text in...
ECIR
2009
Springer
14 years 3 months ago
2009
Springer
Algorithms that enable the process of automatically mining distinct topics in document collections have become increasingly important due to their applications in many fields and ...