Beyond keywords: Automated question answering on the web.
Dmitri RoussinovWeiguo FanJose Antonio Robles-FloresPublished in: Commun. ACM (2008)
Keyphrases
- question answering
- keywords
- web pages
- web documents
- answering questions
- question answering systems
- information extraction
- natural language processing
- information retrieval
- visual features
- natural language
- cross language
- named entities
- open domain question answering
- passage retrieval
- question classification
- answer validation
- question answer pairs
- natural language questions
- qa clef
- search engine
- relation extraction
- candidate answers
- syntactic information
- sentence retrieval
- web search
- semantic roles
- keyword queries
- wordnet
- relational databases