Factoid Question Answering over Unstructured and Structured Web Content.
Silviu CucerzanEugene AgichteinPublished in: TREC (2005)
Keyphrases
- question answering
- web content
- structured data
- information extraction
- website
- semi structured
- web documents
- web pages
- information retrieval
- natural language processing
- question classification
- natural language
- qa clef
- open domain
- named entities
- passage retrieval
- syntactic information
- cross language
- question answering systems
- natural language questions
- relation extraction
- qa systems
- social media
- probabilistic model
- semantic roles
- metadata
- candidate answers
- xml documents
- web search
- answer validation