Hierarchical Type Constrained Topic Entity Detection for Knowledge Base Question Answering.
Yunqi QiuManling LiYuanzhuo WangYantao JiaXiaolong JinPublished in: WWW (Companion Volume) (2018)
Keyphrases
- question answering
- knowledge base
- named entities
- information extraction
- question classification
- information retrieval
- question answering systems
- natural language processing
- natural language
- qa clef
- natural language questions
- candidate answers
- syntactic information
- relation extraction
- cross language
- qa systems
- passage retrieval
- data mining
- named entity recognition
- news articles
- answering questions
- expert systems
- open domain question answering
- topic modeling
- document retrieval
- text documents
- knowledge representation
- sentence retrieval
- answer validation