Delta TFIDF: An Improved Feature Space for Sentiment Analysis.
Justin MartineauTim FininPublished in: ICWSM (2009)
Keyphrases
- sentiment analysis
- feature space
- opinion mining
- text classification
- sentiment classification
- text categorization
- text mining
- feature selection
- sentence level
- high dimensional
- multi aspect
- user generated
- feature extraction
- product reviews
- kernel function
- dimensionality reduction
- natural language processing
- support vector machine
- data points
- neural network
- training set
- product features
- online reviews
- knowledge representation
- image retrieval
- public opinion
- real world