19 search results - page 1 / 4 » A Probabilistic Model for Bursty Topic Discovery in Microblo... |
ACL
2012
11 years 7 months ago
2012
Microblogs such as Twitter reflect the general public’s reactions to major events. Bursty topics from microblogs reveal what events have attracted the most online attention. Al...
FCSC
2010
13 years 1 months ago
2010
Graphical models have become the basic framework for topic based probabilistic modeling. Especially models with latent variables have proved to be effective in capturing hidden str...
ICDM
2007
IEEE
13 years 11 months 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...
KDD
2004
ACM
14 years 5 months ago
2004
ACM
We propose a new unsupervised learning technique for extracting information from large text collections. We model documents as if they were generated by a two-stage stochastic pro...
CVPR
2007
IEEE
14 years 6 months ago
2007
IEEE
The bag-of-words representation has attracted a lot of attention recently in the field of object recognition. Based on the bag-of-words representation, topic models such as Probab...