Two-stage Semantic Answer Type Prediction for Question Answering using BERT and Class-Specificity Rewarding.
Christos NikasPavlos FafaliosYannis TzitzikasPublished in: SMART@ISWC (2020)
Keyphrases
- question answering
- question answering systems
- question classification
- answer extraction
- natural language questions
- natural language
- answer validation
- answering questions
- semantic parsing
- qa systems
- semantic roles
- candidate answers
- natural language processing
- information extraction
- question answer pairs
- textual entailment
- information retrieval
- semantic information
- qa clef
- named entities
- recognizing textual entailment
- cross language
- open domain question answering
- passage retrieval
- syntactic information
- semantic features
- semantic analysis
- textual entailment recognition
- machine translation
- document retrieval
- cross lingual
- sql queries
- sentence retrieval
- knowledge representation
- knowledge base
- machine learning