Keyphrases
- data sources
- data model
- databases
- heterogeneous data sources
- data integration
- data warehouse
- structured data
- linked data
- schema matching
- information integration
- query language
- database systems
- knowledge discovery
- global schema
- information sources
- multiple data sources
- rdf data
- database schema
- xml data sources
- domain ontology
- semantic heterogeneity
- schema evolution
- database management systems
- object oriented
- instance level
- distributed data sources
- deep web
- data sets
- relational algebra
- database
- xml schema
- data exchange
- materialized views
- xml data
- metadata schema
- integrating heterogeneous
- data mining
- metadata
- data transformation
- schema mappings
- geospatial data
- heterogeneous data
- rdf graphs
- semantic web
- web services
- semi structured
- data integration systems
- entity relationship