The Semantics of Incomplete Databases as an Expression of Preferences.
Véronique RoyerPublished in: Theor. Comput. Sci. (1991)
Keyphrases
- databases
- null values
- possibilistic logic
- database updates
- decision making
- database
- database systems
- preference relations
- data sets
- uncertain information
- formal semantics
- data integration
- data warehouse
- soft constraints
- data model
- relational databases
- user preferences
- missing data
- missing values
- data management
- data sources
- database languages
- database applications
- multi attribute
- information systems
- action descriptions
- qualitative preferences