62 search results - page 1 / 13 » Uncertainty Measures of Roughness of Knowledge and Rough Set... |
ICIC
2007
Springer
13 years 11 months ago
2007
Springer
Rough set theory has been considered as a useful tool to deal with inexact, uncertain, or vague knowledge. However, in real-world, most of information systems are based on dominanc...
ACM
1995
13 years 8 months ago
1995
We study properties of rough sets, that is, approximations to sets of records in a database or, more formally, to subsets of the universe of an information system. A rough set is a...
AI
1998
Springer
13 years 4 months ago
1998
Springer
The main statistics used in rough set data analysis, the approximation quality, is of limited value when there is a choice of competing models for predicting a decision variable. ...
ECSQARU
2001
Springer
13 years 9 months ago
2001
Springer
Abstract. In this paper, we first investigate set semantics of propositional logic in terms of rough sets and discuss how truth values of propositions (sentences) can be interpret...
ISMIS
2000
Springer
13 years 8 months ago
2000
Springer
This paper introduces the design of rough neurons based on rough sets. Rough neurons instantiate approximate reasoning in assessing knowledge gleaned from input data. Each neuron c...