Generating contextualized sentiment lexica based on latent topics and user ratings.
Ralf KrestelStefan SiersdorferPublished in: HT (2013)
Keyphrases
- latent topics
- user ratings
- opinion mining
- topic modeling
- topic models
- collaborative filtering
- latent dirichlet allocation
- sentiment analysis
- product reviews
- bag of words
- prediction accuracy
- sentiment classification
- recommender systems
- text classification
- text mining
- latent variables
- text documents
- matrix factorization
- information retrieval
- image classification
- feature extraction
- feature selection
- computer vision
- data mining
- customer reviews