Showing papers in "Information Sciences in 1996"

TL;DR: Fuzzy Cognitive Maps can represent the causal relationships needed for the FMEA and provide a new strategy for predicting failure effects in a complex system.

TL;DR: An integration between the theories of fuzzy sets and rough sets has been attempted by providing a measure of roughness of a fuzzy set, and several properties of this new measure are established.

TL;DR: The fuzzy inventory model is discussed, especially in the case of permitting backorder under the fuzzy environment of fuzzy demand, fuzzy order cost, fuzzy inventory cost, and fuzzy backorder cost.

TL;DR: The CBM offers a small set of topological relationships with high expressiveness which is proven to be mutually exclusive and complete, and therefore suitable to be embedded in a spatial query language.

TL;DR: This paper first points out that there are still some incomplete theorems in [11] although some authors have showed several incorrect statements in the literature, and presents the improved versions of the incomplete propositions.

TL;DR: It is found that, after defuzzification, the total cost is slightly higher than in the crisp model; however, it permits better use of the economic fuzzy quantities arising with changes in orders, deliveries, and sales.

TL;DR: This paper examines the problem at the instance level assuming that schema level heterogeneity has been resolved a priori and proposes the use of extended key, which is the union of keys from the relations to be matched, and its corresponding identity rule to determine the equivalence between tuples from relations that may not share any common key.

TL;DR: It is shown that although the set of cycle vectors, fuzzy cycle vectors and cocycles do not necessarily form vector spaces over the field Z 2 of integers modulo 2, they nearly do and this allows the concepts of (fuzzy) cycle rank and (fBuzzy) cocycle rank for fuzzy graphs in a meaningful way to be introduced.

TL;DR: It is concluded that return and volatility are related nonlinearly and that the relationship is asymmetric.

TL;DR: This paper formulates a new problem for the joint restoration of two nested monotone Boolean functions f1 and f2, which allows one to further decrease the dialogue with an expert and restore nonmonotone functions of the form f2&|f1.

TL;DR: This paper introduces a methodology aimed at relaxing this requirement for fuzzy decision trees by optimizing the domain partitions, based on genetic algorithms, designed to process constraints associated with this task.

TL;DR: F fuzzy relation compositions are reviewed, some similarity relations are proposed, which can be used to adjust subjective similarities between objects, put objects in fuzzy clusters, find a representative for each cluster, and check how similar the clusters are.

TL;DR: A form of a fuzzified pumping lemma is given which is used to give a necessary and sufficient condition for FL ν (M) to be nonconstant and it is shown that if L1 and L2 are finite-valued Fν-regular languages, then so are L1∪ L2 and L1 ∩ L2.

TL;DR: The relationship of the D-S theory and the classical probability theory is analyzed first, and then a generalized evidence combination formula relaxing the requirement of evidence independency is presented, which makes the Ds theory more realistic to applications.

TL;DR: This paper gives an axiomatic treatment of the notion of successor in such a way that all of the above systems fall under thisAxiomatic approach to the concept of successor.

TL;DR: A necessary and sufficient condition for semi-invertibility of square matrices over semirings is obtained.

TL;DR: A new genetic algorithm is introduced in which the mutation operation has been replaced with random restart and it is shown that the expected time to reach an optimal solution is proportional to the time the algorithm spends among the transient states.

TL;DR: This work introduces and investigates restricted-orientation analogs of lines, flats, and hyperplanes, and characterize O-convex and O-connected sets in terms of their intersections with hyperplanes.

TL;DR: The algorithm used for the resulting MIMO controller has classic structure, partitions, and rule base, with IF…THEN rules, and the classic “sup-min” compositional operator and center of gravity for the defuzzification strategy are employed.

TL;DR: A novel hierarchical fuzzy-genetic information fusion technique capable of combining information by compensatory connectives that better mimic the human reasoning process than union and intersection, employed in traditional set theories is described.

TL;DR: First, a product between two F-subpolygroups of a given F-polygroup is defined, and then a necessary and sufficient condition is given in order that the product be an F- subpolygroup.

TL;DR: The notion of fuzzy regular language, adjunctive language, and dense language are introduced, and their algebraic character and algebraic properties are discussed.

TL;DR: General expressions for the entropy of the multivariate t and Cauchy distributions are derived, as well as their sample moments, generated functions, cumulant functions, means, and variances.

TL;DR: This paper considers the fuzzy differential game of guarding a movable territory and shows that when the center of the territory is located outside the favorable region of the invader, the value of the game exists; otherwise the value does not exist.

TL;DR: In this article, the authors examined in detail two types of fuzziness, namely, the fuzziness due to classification in an under- or over-imensioned universe, and the fuzzyness due to the intersubject differences in opinion.

TL;DR: In this method, the hue, lightness, and saturation attributes of color images are used effectively by employing fuzzy sets to quantify them in an image segmentation method based both on edge detection and region extraction.

TL;DR: This and a companion paper bring conditional event logic—and through it, rules and iterated rules—under the random-set umbrella and shows that Goodman-Nguyen-Walker (GNW) conditional events can be represented as random sets in such a way that the AND, OR, and NOT connectives correspond to intersection, union, and complementation of random sets.

TL;DR: It is shown that the property of being a fuzzy subgroup with sup property is invariant under homomorphism and the homomorphic preimage of a fuzzySubgroup withSup property is also a fuzzy Subgroup with Sup property.

TL;DR: A sharper bound is proved if the number of source letters is greater than two and a new upper bound on r is provided, in terms of the two least likely source letter probabilities, which improves on a previous result.

TL;DR: This paper provides a basic introduction to the philosophy behind Mentat and the MPL, and then focuses on application performance to give the reader insight into how Mentat performs on different classes of applications.