Answering Complex Questions by Joining Multi-Document Evidence with Quasi Knowledge Graphs.
Xiaolu LuSoumajit PramanikRishiraj Saha RoyAbdalghani AbujabalYafang WangGerhard WeikumPublished in: SIGIR (2019)
Keyphrases
- domain knowledge
- structured objects
- high level
- prior knowledge
- answer questions
- knowledge acquisition
- higher level
- real world
- knowledge sources
- knowledge about the world
- correct answers
- subject matter
- complex structures
- domain experts
- data mining techniques
- knowledge extraction
- knowledge transfer
- graph structure
- metadata
- information retrieval