Alignment over Heterogeneous Embeddings for Question Answering.
Vikas YadavSteven BethardMihai SurdeanuPublished in: NAACL-HLT (1) (2019)
Keyphrases
- question answering
- natural language processing
- information retrieval
- natural language
- question classification
- question answering systems
- passage retrieval
- natural language questions
- named entities
- cross language
- syntactic information
- information extraction
- vector space
- low dimensional
- answer validation
- open domain question answering
- machine learning
- qa clef
- knowledge representation
- sentence retrieval
- answering questions
- test collection
- semantic roles
- feature selection