QA with Attitude: Exploiting Opinion Type Analysis for Improving Question Answering in On-line Discussions and the News.
Swapna SomasundaranTheresa WilsonJanyce WiebeVeselin StoyanovPublished in: ICWSM (2007)
Keyphrases
- question answering
- information retrieval
- question classification
- natural language processing
- natural language
- qa clef
- information extraction
- qa systems
- named entities
- open domain question answering
- natural language questions
- sentence retrieval
- open domain
- question answering systems
- answer validation
- relation extraction
- semantic analysis
- text mining