NQE: N-ary Query Embedding for Complex Query Answering over Hyper-Relational Knowledge Graphs.
Haoran LuoHaihong EYuhao YangGengxian ZhouYikai GuoTianyu YaoZichen TangXueyuan LinKaiyang WanPublished in: AAAI (2023)
Keyphrases
- query answering
- answering queries
- query answers
- query rewriting
- data exchange
- data integration systems
- relational queries
- query relaxation
- conjunctive queries
- query containment
- data complexity
- data integration
- integrity constraints
- incomplete information
- query evaluation
- database
- knowledge driven
- knowledge management
- data sources
- knowledge base
- transitive roles
- query processing
- regular path queries
- knowledge representation
- expert systems
- query complexity
- complex queries
- ontology based data access
- query interface
- database schema
- relational data
- schema mappings
- data model
- expressive power
- knowledge discovery