ISPA
2007
Springer
13 years 11 months ago
2007
Springer
A concept hierarchy is a kind of general form of knowledge representation. Most of the previous researches on describing the concept hierarchy use tree-like crisp taxonomy. However...
IFSA
2007
Springer
13 years 11 months ago
2007
Springer
Abstract. Generally, there are two main streams of theories for studying uncertainties. One is probability theory and the other is fuzzy set theory. One of the basic ideas of fuzzy...