Opinion Mining and Topic Categorization with Novel Term Weighting.
Tatiana GasanovaRoman B. SergienkoShakhnaz AkhmedovaEugene SemenkinWolfgang MinkerPublished in: WASSA@ACL (2014)
Keyphrases
- opinion mining
- term weighting
- text categorization
- topic modeling
- product reviews
- text classification
- sentiment analysis
- information retrieval
- term frequency
- topic models
- text retrieval
- tf idf
- text documents
- sentiment classification
- knn
- retrieval systems
- latent dirichlet allocation
- feature selection
- language modeling
- vector space model
- text mining
- semi supervised learning
- k nearest neighbor
- cross domain
- co occurrence
- artificial intelligence