Forst: Question Answering System Using Basic Element at NTCIR-11 QA-Lab Task.
Kotaro SakamotoHyogo MatsuiEisuke MatsunagaTakahisa JinHideyuki ShibukiTatsunori MoriMadoka IshioroshiNoriko KandoPublished in: NTCIR (2014)
Keyphrases
- question answering
- question classification
- answer extraction
- answer validation
- open domain
- test collection
- question answering systems
- qa clef
- information retrieval
- cross language
- cross language information retrieval
- information extraction
- natural language
- open domain question answering
- qa systems
- web retrieval
- passage retrieval
- evaluation metrics
- natural language processing
- relation extraction
- named entities
- patent retrieval
- syntactic information
- feature weighting
- retrieval effectiveness
- co occurrence