Combining totalitarian and Ceteris Paribus semantics in database preference queries.
Rui Da Silva NevesSouhila KaciPublished in: Log. J. IGPL (2010)
Keyphrases
- database
- query language
- database queries
- cp nets
- null values
- databases
- query answers
- consistent query answering
- database query languages
- relational data model
- relational database systems
- database updates
- pre computed
- database systems
- database management systems
- database applications
- relational databases
- relational calculus
- response time
- graphical representation
- query processing
- answering queries
- web databases
- utility function
- complex queries
- query evaluation
- database schema
- query interface
- integrity constraints
- aggregate functions
- data model
- indexing techniques
- access methods
- formal semantics
- data management
- multi dimensional
- update operations
- web search engines
- logic programming