R U : -) or : -( ? Character- vs. Word-Gram Feature Selection for Sentiment Classification of OSN Corpora.
Ben BlameyTom CrickGiles OatleyPublished in: SGAI Conf. (2012)
Keyphrases
- sentiment classification
- feature selection
- sentence level
- text classification
- sentiment analysis
- n gram
- sentiment polarity
- parallel corpus
- cross lingual
- document level
- text categorization
- cross domain
- opinion mining
- online product reviews
- natural language processing
- positive or negative
- machine learning
- statistical machine translation
- bag of words
- word sense disambiguation
- opinion words
- co occurrence
- text classifiers
- product reviews
- lexical knowledge
- feature space
- feature set
- language modeling
- knn
- multi document summarization
- blog posts
- text documents
- text mining
- k nearest neighbor