Beyond NED: Fast and Effective Search Space Reduction for Complex Question Answering over Knowledge Bases.
Philipp ChristmannRishiraj Saha RoyGerhard WeikumPublished in: WSDM (2022)
Keyphrases
- question answering
- search space reduction
- knowledge base
- question classification
- information retrieval
- cross language
- natural language
- information extraction
- natural language processing
- named entities
- natural language questions
- qa clef
- passage retrieval
- relation extraction
- question answering systems
- open domain question answering
- sentence retrieval
- syntactic information
- qa systems
- answer extraction
- semantic roles
- text retrieval
- search space
- expert systems
- answer validation
- textual entailment recognition
- artificial intelligence