Look before you Hop: Conversational Question Answering over Knowledge Graphs Using Judicious Context Expansion.
Philipp ChristmannRishiraj Saha RoyAbdalghani AbujabalJyotsna SinghGerhard WeikumPublished in: CIKM (2019)
Keyphrases
- question answering
- natural language
- information retrieval
- passage retrieval
- question classification
- information extraction
- cross language
- natural language processing
- qa clef
- named entities
- open domain question answering
- domain knowledge
- syntactic information
- knowledge base
- natural language questions
- question answering systems
- multi modal
- knowledge representation
- expert systems
- sentence retrieval
- answer validation
- graph structure
- background knowledge
- context aware
- text mining
- probabilistic model
- answering questions