Multi-Strategy Information Extraction for Question Answering.
Laurie HiyakumotoLucian Vlad LitaEric NybergPublished in: FLAIRS Conference (2005)
Keyphrases
- question answering
- information extraction
- natural language processing
- named entities
- question classification
- information retrieval
- natural language
- relation extraction
- cross language
- open domain
- precision and recall
- free text
- question answering systems
- passage retrieval
- qa clef
- natural language questions
- machine learning
- named entity recognition
- text documents
- text mining
- semi structured
- text classification
- expert systems
- data mining
- natural language text
- structured data
- syntactic information
- candidate answers
- sentence retrieval
- answer validation