Schema Transformations and Query Rewriting in Ontological Databases with a Faceted Interface.
Tadeusz PankowskiPublished in: ICMT (2018)
Keyphrases
- query rewriting
- databases
- global schema
- view definitions
- data integration
- query interface
- xpath queries
- data model
- query answering
- query optimization
- conjunctive queries
- heterogeneous data
- database
- data sources
- spatial databases
- query execution
- xml queries
- relational data
- database systems
- relational databases
- xml data
- deep web
- xml documents
- metadata
- database schema
- deductive databases
- xml schema
- tree patterns
- query result
- data exchange
- data warehouse
- web databases
- incomplete information
- query evaluation
- knowledge discovery