Variable precision rough set model
Journal of Computer and System Sciences
New Techniques for Data Reduction in a Database System for Knowledge Discovery Applications
Journal of Intelligent Information Systems
Feature Selection Using Rough Sets Theory
ECML '93 Proceedings of the European Conference on Machine Learning
Data mining, rough sets and granular computing
Data mining, rough sets and granular computing
GRS: a generalized rough sets model
Data mining, rough sets and granular computing
Attribute set dependence in reduct computation
Transactions on computational science II
An agent model for rough classifiers
Applied Soft Computing
Rule extraction based on rough fuzzy sets in fuzzy information systems
Transactions on computational collective intelligence III
Attribute set dependence in apriori-like reduct computation
RSKT'06 Proceedings of the First international conference on Rough Sets and Knowledge Technology
Artificial Intelligence in Medicine
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In this paper we present a new rough sets model based on database systems. We borrow the main ideas of the original rough sets theory and redefine them based on the database theory to take advantage of the very efficient set-oriented database operation. We present a new set of algorithms to calculate core, reduct based on our new database based rough set model. Almost all the operations used in generating core, reduct in our model can be performed using the database set operations such as Count, Projection. Our new rough sets model is designed based on database set operations, compared with the traditional rough set models, ours is very efficient and scalable.