Keyphrases
- question answering
- sentiment analysis
- reading comprehension
- natural language processing
- opinion mining
- sentiment lexicon
- sentiment classification
- sentiment words
- text classification
- information retrieval
- computer assisted
- information extraction
- text mining
- sentence level
- passage retrieval
- natural language
- question answering systems
- cross language
- product reviews
- multiple choice
- semantic roles
- machine learning
- named entities
- text summarization
- word sense disambiguation