RDF Multi-query Optimization Algorithm for Query Rewriting Using Common Subgraphs.
Manzi WangHaidong FuFangfang XuPublished in: CSAE (2019)
Keyphrases
- optimization algorithm
- query rewriting
- data integration systems
- multi objective
- query optimization
- query answering
- conjunctive queries
- query execution
- data integration
- spatial databases
- xpath queries
- query result
- xml queries
- graph databases
- data sources
- databases
- view definitions
- database
- metadata
- data structure
- query processing
- query evaluation
- heterogeneous data
- complex queries
- data exchange
- data model
- query language
- evolutionary algorithm
- np complete
- tree patterns
- relational data
- query expansion
- information retrieval
- regular path queries
- neural network