Efficient Contextualization using Top-k Operators for Question Answering over Knowledge Graphs.
Philipp ChristmannRishiraj Saha RoyGerhard WeikumPublished in: CoRR (2021)
Keyphrases
- question answering
- information retrieval
- natural language processing
- natural language
- named entities
- domain knowledge
- information extraction
- sentence retrieval
- cross language
- qa clef
- knowledge base
- machine learning
- question classification
- expert systems
- natural language questions
- answer validation
- open domain question answering
- passage retrieval
- question answering systems
- syntactic information
- background knowledge
- answer extraction