Unifying Question Answering and Text Classification via Span Extraction.
Nitish Shirish KeskarBryan McCannCaiming XiongRichard SocherPublished in: CoRR (2019)
Keyphrases
- question answering
- text classification
- information extraction
- text mining
- natural language processing
- information retrieval
- feature selection
- bag of words
- natural language
- text categorization
- labeled data
- n gram
- named entities
- passage retrieval
- question answering systems
- text documents
- automatic extraction
- machine learning
- knn
- relation extraction
- natural language questions
- question classification
- semantic features
- open domain question answering
- cross language
- syntactic information
- sentence retrieval
- sentiment classification
- multi label
- qa clef
- document classification
- feature weighting
- answering questions