Keyphrases
- data integration
- data model
- data exchange
- data transformation
- databases
- data sources
- data management
- data warehouse
- query answering
- data cleaning
- heterogeneous data
- biological databases
- data warehousing
- schema mappings
- data extraction
- biological data
- database schema
- query processing and optimization
- database
- xml data
- query decomposition
- data integration systems
- business intelligence
- heterogeneous data sources
- schema matching
- database systems
- xml data sources
- outlier detection
- object oriented
- xml documents