534 search results - page 1 / 107 » Approximation of Indistinct Concepts |
IJCAI
1989
13 years 8 months ago
1989
This theory on semi-equivalence r e l a t i o n s is an important and useful tool for i n v e s t i g a t i n g c l a s s i f i c a t i o n , pattern r e c o g n i t i o n , p o l...
JUCS
2010
13 years 6 months ago
2010
: Classical classification and clustering based on equivalence relations are very important tools in decision-making. An equivalence relation is usually determined by properties of...
CC
2010
Springer
13 years 4 months ago
2010
Springer
We prove that the concept class of disjunctions cannot be pointwise approximated by linear combinations of any small set of arbitrary real-valued functions. That is, suppose that t...
DLOG
2011
12 years 11 months ago
2011
Abstract. In this paper, we introduce a paraconsistent extension of Rough Description Logics which allows the representation of incomplete and contradictory concepts, as well as th...
RSFDGRC
2005
Springer
14 years 1 months ago
2005
Springer
Abstract. We present a rough set approach to vague concept approximation within the adaptive learning framework. In particular, the role of extensions of approximation spaces in se...