Keyphrases
- data integration
- data extraction
- linked data
- data integration systems
- data sources
- data model
- data exchange
- databases
- data sharing
- data management
- multiple data sources
- data warehouse
- website
- biological databases
- data transformation
- schema mappings
- query answering
- query decomposition
- heterogeneous data
- web pages
- data cleaning
- life sciences
- web documents
- semantic web
- business intelligence
- heterogeneous data sources
- web content
- end users
- biological data
- object oriented
- web users
- web data
- information sources
- knowledge discovery
- query rewriting
- schema matching
- data analysis
- machine learning