Complex Temporal Question Answering on Knowledge Graphs.
Zhen JiaSoumajit PramanikRishiraj Saha RoyGerhard WeikumPublished in: CoRR (2021)
Keyphrases
- question answering
- information retrieval
- named entities
- question classification
- domain knowledge
- natural language
- natural language processing
- syntactic information
- information extraction
- knowledge base
- question answering systems
- cross language
- open domain question answering
- natural language questions
- relation extraction
- knowledge representation
- qa clef
- background knowledge
- passage retrieval
- semantic roles
- semantic information
- expert systems
- sentence retrieval