The Entropy of Rough Relations in Rough Relational Databases.
Yuefei SuiJu WangJian YunchengPublished in: ISAS-SCI (1) (2001)
Keyphrases
- relational databases
- rough relational database
- relational operators
- functional dependencies
- rough sets
- data dependencies
- sql queries
- database
- relational model
- databases
- conditional entropy
- relational data
- multiple relations
- neural network
- object oriented
- database schema
- xml documents
- fuzzy entropy
- artificial intelligence
- genetic algorithm
- upper and lower approximations
- rough set theory
- xml databases
- database systems
- null values
- social networks