AttenWalker: Unsupervised Long-Document Question Answering via Attention-based Graph Walking.
Yuxiang NieHeyan HuangWei WeiXian-Ling MaoPublished in: ACL (Findings) (2023)
Keyphrases
- question answering
- passage retrieval
- information retrieval
- text summarization
- candidate answers
- question classification
- natural language processing
- named entities
- natural language
- document retrieval
- sentence retrieval
- question answering systems
- natural language questions
- cross language
- retrieval systems
- document collections
- qa clef
- information extraction
- syntactic information
- graph structure
- semi supervised
- text retrieval
- document clustering
- text documents
- information retrieval systems
- relation extraction
- vector space model
- document classification
- semantic roles
- qa systems
- relevant documents
- language model
- answer extraction
- knowledge representation
- open domain question answering