Reinforcement Learning from Reformulations in Conversational Question Answering over Knowledge Graphs.
Magdalena KaiserRishiraj Saha RoyGerhard WeikumPublished in: SIGIR (2021)
Keyphrases
- question answering
- reinforcement learning
- natural language
- domain knowledge
- natural language processing
- information extraction
- named entities
- qa clef
- question classification
- information retrieval
- cross language
- natural language questions
- multi modal
- relation extraction
- syntactic information
- sentence retrieval
- answer validation
- open domain question answering
- question answering systems
- passage retrieval
- knowledge representation
- machine learning
- qa systems
- answer extraction
- text classification
- expert systems
- textual entailment recognition
- data mining