Group sparse topical coding: from code to topic.
Lu BaiJiafeng GuoYanyan LanXueqi ChengPublished in: WSDM (2013)
Keyphrases
- topic models
- topic specific
- error correcting
- topic modeling
- error control
- topical relevance
- opinion retrieval
- sparse data
- multiscale
- coding scheme
- latent dirichlet allocation
- source code
- logical operations
- sparse matrix
- error correction
- inter frame
- news articles
- sparse representation
- group members
- compressive sensing
- news stories
- topic detection
- generative model
- code length
- reed solomon
- image classification