Mitigating False-Negative Contexts in Multi-document Question Answering with Retrieval Marginalization.
Ansong NiMatt GardnerPradeep DasigiPublished in: EMNLP (1) (2021)
Keyphrases
- question answering
- false negative
- false positives
- passage retrieval
- information retrieval
- sentence retrieval
- question classification
- answer extraction
- question answering systems
- natural language processing
- cross language
- document retrieval
- qa clef
- information extraction
- retrieval systems
- named entities
- natural language questions
- information retrieval systems
- false positive rate
- natural language
- answer validation
- test collection
- syntactic information
- retrieval model
- query expansion
- text retrieval
- detection rate
- qa systems
- machine learning
- search engine
- speech transcripts
- textual entailment recognition