Semantic Integration and Query Optimization of Heterogeneous Data Sources.
Domenico BeneventanoSonia BergamaschiSilvana CastanoValeria De AntonellisAlfio FerraraFrancesco GuerraFederica MandreoliGiorgio Carlo OrnettiMaurizio VinciniPublished in: OOIS Workshops (2002)
Keyphrases
- query optimization
- semantic integration
- heterogeneous data sources
- data integration
- data sources
- database systems
- semantic heterogeneity
- query processing
- cost model
- multidatabase systems
- heterogeneous data
- xml data
- relational databases
- databases
- query execution
- data model
- data management
- query optimizer
- metadata
- web services
- continuous queries
- schema matching
- schema mappings
- decision making
- semantic representation
- data sets
- information sources
- case study