OnGIS: Geospatial Data Integration Using Semantic Technologies and Query Containment.
Marek SmidPublished in: Int. J. Semantic Web Inf. Syst. (2019)
Keyphrases
- semantic technologies
- data integration
- query containment
- query answering
- conjunctive queries
- data exchange
- query rewriting
- semantic web
- data model
- databases
- data sources
- data management
- schema mappings
- regular path queries
- data complexity
- answering queries
- data extraction
- semantic web technologies
- heterogeneous data
- transitive closure
- data warehouse
- decision procedures
- integrity constraints
- query language
- knowledge base