Information Extraction Supported Question Answering.
Rohini K. SrihariWei LiPublished in: TREC (1999)
Keyphrases
- question answering
- information extraction
- natural language processing
- named entities
- free text
- question classification
- information retrieval
- relation extraction
- cross language
- natural language
- passage retrieval
- text summarization
- open domain
- syntactic information
- named entity recognition
- text mining
- structured data
- semi structured
- machine learning
- web documents
- sentence retrieval
- precision and recall
- text documents
- open domain question answering
- expert systems
- qa systems
- machine translation
- natural language text
- text categorization
- candidate answers
- qa clef
- answering questions