Data Integration by Describing Sources with Constraint Databases.
Xun ChengGuozhu DongTzekwan LauJianwen SuPublished in: ICDE (1999)
Keyphrases
- sql queries
- data integration
- constraint databases
- relational databases
- data sources
- database schema
- databases
- schema mappings
- heterogeneous data sources
- data model
- data integration systems
- query language
- relational database systems
- data exchange
- data from multiple sources
- transitive closure
- query answering
- data management
- heterogeneous data
- global schema
- query evaluation
- linear constraints
- data warehousing
- data cleaning
- relational model
- relational algebra
- geographic information systems
- data warehouse
- fixed point
- database
- spatial databases
- query decomposition
- database theory
- information integration
- temporal data
- machine learning
- database management systems
- database applications
- first order logic
- business intelligence