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: CoRR (2022)
Keyphrases
- query answering
- answering queries
- query answers
- query rewriting
- data exchange
- relational queries
- data integration systems
- query relaxation
- query containment
- conjunctive queries
- regular path queries
- data integration
- integrity constraints
- data complexity
- complex queries
- database
- knowledge driven
- incomplete information
- ontology based data access
- query evaluation
- expert systems
- knowledge discovery
- knowledge representation
- data sources
- query processing
- relational data
- graph databases
- multi agent systems
- data mining
- database schema
- schema mappings
- relational databases
- knowledge base
- inconsistent databases
- databases