In the literature on social choice with fuzzy preferences, a central question is how to represent the transitivity of a fuzzy binary relation. Arguably the most general way of doing this is to assume a form of transitivity called max-star transitivity. The star operator in this formulation is commonly taken to be a triangular norm. The familiar max-min transitivity condition is a member of this...

We extend different Description Logics by concrete domains (such as integers and reals) and by aggregation functions over these domains (such as min;max; count; sum), which are usually available in database systems. On the one hand, we show that this extension may lead to undecidability of the basic inference problems satisfiability and subsumption. This is true even for a very small Descriptio...

T ROLL is a language to specify information systems with dynamic behavior. Here, we elaborate on the speciication of object aggregation in T ROLL. We distinguish between two kinds of aggregation, static and dynamic aggregation. Static aggregation means that the composition of objects is described using predicates over constant properties. Dynamic aggregation means that we may alter the composit...

In this paper, an optimization model with an objective function as monomial subject to a system of the fuzzy relation equations with max-bounded difference (maxBD) composition operator is presented. We firstly determine its feasible solution set. Then some special characteristics of its feasible domain and the optimal solutions are studied. Some procedures for reducing and decomposing the probl...

Using a chemically defined reconstitution system, we performed a systematic study of key factors in the regulation of the Ca-ATPase by phospholamban (PLB). We varied both the lipid/protein and PLB/Ca-ATPase ratios, determined the effects of PLB phosphorylation, and compared the regulatory effects of several PLB mutants, as a function of Ca concentration. The reconstitution system allowed us to ...

Platelet function and composition, lipemia, and dietary habits were evaluated yearly in 98 male farmers from Moselle (East of France) before and after decreasing, in half of them, dietary saturated fats from 16.2% to 9.9% of calories (P/S from 0.32 to 0.97). One year after these dietary changes, cholesterol and triglycerides decreased by approximately 10%, platelet aggregation to thrombin by 81...

Interval-valued intuitionistic fuzzy sets (IVIFSs), a generalization of fuzzy sets, is characterized by an interval-valued membership function, an interval-valued non-membership function.The objective of this paper is to deal with criteria aggregation problems using IVIFSs where there exists a prioritization relationship over the criteria.Based on the ${L}$ukasiewicz triangular norm, we first p...

OBJECTIVES The purpose of this study was to determine the impact of adjunctive cilostazol in patients with high post-treatment platelet reactivity (HPPR) undergoing coronary stenting. BACKGROUND Although addition of cilostazol to dual antiplatelet therapy enhances adenosine diphosphate (ADP)-induced platelet inhibition, it is unknown whether adjunctive cilostazol can reduce HPPR. METHODS Si...

A new technique named as Intuitionistic fuzzy max-min average composition method is proposed to study the Medical Diagnosis. In Sanchez's approach for decision making is studied and the concept is generalized by the application of IFS theory. Through a survey the relations between the symptoms and diseases are discussed. The proposed method is compared with max-min composition method.