Complex Query Augmentation for Question Answering over Knowledge Graphs.
Abdelrahman AbdelkawiHamid ZafarMaria MaleshkovaJens LehmannPublished in: OTM Conferences (2019)
Keyphrases
- question answering
- complex queries
- information extraction
- cost model
- natural language
- natural language processing
- information retrieval
- named entities
- cross language
- question classification
- question answering systems
- knowledge representation
- knowledge base
- passage retrieval
- sentence retrieval
- syntactic information
- open domain question answering
- expert systems
- graph structure
- query optimization
- answering questions
- natural language questions
- data mining