Hierarchical Question Answering for Long Documents.
Eunsol ChoiDaniel HewlettAlexandre LacosteIllia PolosukhinJakob UszkoreitJonathan BerantPublished in: CoRR (2016)
Keyphrases
- question answering
- passage retrieval
- information retrieval
- natural language questions
- question answering systems
- syntactic information
- candidate answers
- answering questions
- question classification
- natural language
- document retrieval
- information extraction
- short queries
- natural language processing
- document collections
- qa clef
- cross language
- free text
- information retrieval systems
- relevant documents
- document classification
- named entities
- web documents
- text documents
- relation extraction
- sentence retrieval
- machine learning
- speech transcripts
- qa systems
- latent semantic indexing
- document clustering
- retrieval model
- query expansion
- language model
- knowledge representation
- xml documents