Keyphrases
- data integration
- data model
- data exchange
- data transformation
- data sources
- data management
- databases
- query answering
- data warehouse
- website
- heterogeneous data sources
- world wide web
- object oriented
- biological databases
- data warehousing
- data extraction
- heterogeneous data
- data cleaning
- schema mappings
- biological data
- xml data sources
- query processing and optimization
- molecular biology
- software components
- database
- schema matching
- xml documents
- query language
- scientific data management