answering under uncertain schema mappings.
Longzhuang LiFeng TianYonghuai LiuShanxian MaoPublished in: Data Knowl. Eng. (2018)
Keyphrases
- schema mappings
- query answering
- data exchange
- data integration
- database schema
- schema evolution
- answering queries
- conjunctive queries
- xml data exchange
- high level specifications
- data complexity
- decision making
- finite sets
- xml schema
- data management
- incomplete information
- data sources
- high level declarative
- consistency checking
- data sets