Datalignment: Ontology Schema Alignment Through Datalog Containment.
Daniel DeutchEvgeny MarantsYuval MoskovitchPublished in: Proc. VLDB Endow. (2019)
Keyphrases
- ontology based data access
- ontology merging
- ontology matching
- schema integration
- integrity constraints
- containment of conjunctive queries
- instance level
- conjunctive queries
- query answering
- data model
- transitive closure
- semantically enriched
- semantic mapping
- query containment
- schema matching
- expressive power
- query language
- deductive databases
- conceptual model
- domain knowledge
- owl ontologies
- databases
- datalog programs
- knowledge base
- semantic web
- knowledge representation
- data integration
- query evaluation
- query rewriting
- conceptual modeling
- datalog queries
- database schema
- relational algebra
- object oriented
- regular path queries
- conceptual schema
- semantic query
- data complexity
- metamodel
- xml schema
- schema mappings
- rdf schema
- semistructured data
- xml data
- unions of conjunctive queries
- null values
- requirement analysis
- database systems
- semantic annotation
- description logics
- semantic information
- ontology mapping
- query optimization
- domain specific
- ontology languages
- schema evolution
- xpath queries
- xml documents
- data exchange
- database