52 search results - page 10 / 11 » Topic and Trend Detection in Text Collections Using Latent D... |
CIKM
2009
Springer
14 years 25 days ago
2009
Springer
We are building an interactive, visual text analysis tool that aids users in analyzing a large collection of text. Unlike existing work in text analysis, which focuses either on d...
CIKM
2011
Springer
12 years 6 months ago
2011
Springer
We introduce a generative probabilistic document model based on latent Dirichlet allocation (LDA), to deal with textual errors in the document collection. Our model is inspired by...
JACM
2010
13 years 4 months ago
2010
clustering of documents according to sharing of topics at multiple levels of abstraction. Given a corpus of documents, a posterior inference algorithm finds an approximation to a ...
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 ...
ACCV
2010
Springer
13 years 1 months ago
2010
Springer
Abstract. We present a novel approach to detect and classify rare behaviours which are visually subtle and occur sparsely in the presence of overwhelming typical behaviours. We tre...