Artificial Intelligence - Special volume on qualitative reasoning about physical systems
Qualitative reasoning: modeling and simulation with incomplete knowledge
Automatica (Journal of IFAC)
A qualitative physics based on confluences
Readings in qualitative reasoning about physical systems
Problems of interval-based qualitative reasoning
Readings in qualitative reasoning about physical systems
A generalization of the representation theorem
Fuzzy Sets and Systems
Entropy on intuitionistic fuzzy sets and on interval-valued fuzzy sets
Fuzzy Sets and Systems
Intuitionistic fuzzy sets and L-fuzzy sets
Fuzzy Sets and Systems
Linguistic decision analysis: steps for solving decision problems under linguistic information
Fuzzy Sets and Systems - Special issue on soft decision analysis
Entropy for intuitionistic fuzzy sets
Fuzzy Sets and Systems
On the relationship between some extensions of fuzzy set theory
Fuzzy Sets and Systems - Theme: Basic notions
Representing ordered structures by fuzzy sets: an overview
Fuzzy Sets and Systems - Logic and algebra
Relative and absolute order-of-magnitude models unified
Annals of Mathematics and Artificial Intelligence
L-fuzzy numbers and their properties
Information Sciences: an International Journal
Lattices of convex normal functions
Fuzzy Sets and Systems
L-fuzzy interiors and L-fuzzy closures
Fuzzy Sets and Systems
Relationship between similarity measure and entropy of interval valued fuzzy sets
Fuzzy Sets and Systems
Linguistic modelling based on semantic similarity relation among linguistic labels
Fuzzy Sets and Systems
Measuring consensus in group decisions by means of qualitative reasoning
International Journal of Approximate Reasoning
Convex normal functions revisited
Fuzzy Sets and Systems
Numeric reasoning with relative orders of magnitude
AAAI'93 Proceedings of the eleventh national conference on Artificial intelligence
An improved representation theorem of L-fuzzy sets
Fuzzy Sets and Systems
A Fuzzy Linguistic Methodology to Deal With Unbalanced Linguistic Term Sets
IEEE Transactions on Fuzzy Systems
Ranking multi-attribute alternatives on the basis of linguistic labels in group decisions
Information Sciences: an International Journal
Hesitant Fuzzy Linguistic Term Sets for Decision Making
IEEE Transactions on Fuzzy Systems
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We formally construct the extended set of qualitative labels L over a well-ordered set. The qualitative descriptions of a given set are defined as L-fuzzy sets. In the case where the well-ordered set is finite, a distance between L-fuzzy sets is introduced based on the properties of the lattice L. The concept of the information contained in a qualitative label is introduced, leading to a formal definition of the entropy of an L-fuzzy set as a Lebesgue integral. In the discrete case, this integral becomes a weighted average of the information of the labels, corresponding to the Shannon entropy in information theory.