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Welcome to web page of the International Association for Fuzzy-Set Management and Economy (SIGEF)

The facilities which SIGEF make available to its members are many and varied. The most important is be the organization of meetings, conferences, talks and similar activities allowing members to air their concerns, and to present ideas and work in progress. The international journal of the Association, FUZZY ECONOMIC REVIEW, plays a leading role by bringing together the most important projects devised by specialist and offering them a fundamentally practical opening into the business world, in pursuit of university-business cooperation which is both necessary and beneficial to both sides.

Latest news

NEXT CONGRESS: ELCHE (SPAIN), July 2023

Congress website - Miguel Hernández University (Elche, Spain) Dates: 10-11th July 2023    

19-01-2023

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Last Fuzzy Economic Review

REPLY STRUCTURE AND PARTICIPATION IN ONLINE CONVERSATIONS ENABLED BY ARGUMENTATION PLATFORMS: A REAL…

In this paper we report evidence from a collective deliberation experiment in which the supporters of a political party were asked to debate online about ways to reform the electoral...

Number 2, 2020, special issue

USING POSSIBILISTIC MOMENTS AND BI-OBJECTIVE OPTIMIZATION METAHEURISTICS TO COMPUTE PESSIMISTIC AND …

Most of existing portfolio selection models are based on a probabilistic approach combined with optimization techniques. The uncertainty is equated with randomness. However, there are many non-probabilistic factors that affect...

Number 2, 2020, special issue

A COMPARATIVE CLUSTERING MODEL THAT CONSIDERS FALSE POSITIVES AND FALSE NEGATIVES IN SOME SOCIOECONO…

Unsupervised learning enables classifier models to be built quickly and inexpensively in comparison with supervised approaches because the labeling task is eliminated. On the other hand, to assess the quality...

Number 2, 2020, special issue

WELFARE SUBJECTIVE EVALUATION. APPLICATION TO HEALTH SYSTEM ACCESS

Subjective assessments of the quality of life are considered when measuring development. These measurements are built using population surveys where people are asked to define their situation on a qualitative...

Number 2, 2020, special issue

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