Researchr is a web site for finding, collecting, sharing, and reviewing scientific publications, for researchers by researchers.
Sign up for an account to create a profile with publication list, tag and review your related work, and share bibliographies with your co-authors.
Marcin Wolski. Rough Set Theory: Ontological Systems, Entailment Relations and Approximation Operators. T. Rough Sets, 10:1-14, 2009. [doi]
Abstract is missing.