On Stopwords, Filtering and Data Sparsity for Sentiment Analysis of Twitter.
Hassan SaifMiriam FernándezYulan HeHarith AlaniPublished in: LREC (2014)
Keyphrases
- sentiment analysis
- data sparsity
- social media content
- public opinion
- collaborative filtering
- stop words
- opinion mining
- matrix factorization
- micro blog
- transfer learning
- recommender systems
- sentiment classification
- text classification
- social media
- preprocessing step
- natural language processing
- text mining
- tf idf
- user generated
- social networks
- user generated content
- machine learning
- user ratings
- pairwise
- micro blogging
- association rules
- artificial intelligence