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CLUSTERING OF TERRITORIAL AREAS: A MULTI-CRITERIA DISTRICTING PROBLEM
Fragoso, Rui; Rego, Conceição; Bushenkov, VladimirEndogenous resources, economic profile and socio-economic issues are the criteria that define the development level and the identity features of a territorial unit. The territorial units that organize the country, in political and administrative terms – parishes and counties –, have a hierarquical structure, which initially reflected the organization of productive activities as well as the tradition State organ...
III International conference "Optimization and applications", September
Bushenkov, VladimirTopics: Mathematical Programming, Global Optimization, Nondifferential Optimization, Integer Programming, Combinatorial Optimization, Multicriteria Optimization, Equilibrium Programming, Game Theory, Optimal Control, Applications in Natural Sciences, Engineering, Economics, Biology, Medicine, etc. Organized by CIMA-UÉ (Universidade de Évora) and Dorodnicyn Computing Centre of Russian Academy of Sciences (Mosc...
Workshop "Risk and multicriteria Analysis. An application to natural resources ...
Bushenkov, Vladimir; Oliveira, ManuelaProgram Alexander Lotov (CCRAS, Russia) "Computer visualization of production possibility set in Data Envelopment Analysis" Roman Efremov (URJC, Spain) “Methodology for modeling processes of participatory decision-making in the environmental field with examples from the Water Debate in Catalonia” Maria João Batista (LNEG, Portugal) “Data analysis applied to mineral resources management: Exploration and environm...
An Algorithm for Approximating High-Order Pareto Frontier in Multiobjective Int...
Bushenkov, Vladimir; Fernandes, ManuelaAn algorithm for approximating the Pareto frontier (PF) in multiobjective integer linear problems is presented. As known, the feasible set in the objective space (FSOS) for an integer linear programming problem is not convex and only a few points of its Pareto frontier (so called supported points) can be found when constructing its convex hull. To get these points at the fisrt iteration of our algorithm we const...
Um algoritmo para aproximação da fronteira de Pareto em problemas de programaçã...
Fernandes, Manuela; Bushenkov, VladimirNeste artigo descreve-se um novo algoritmo iterativo que aproxima a fronteira de Pareto para os problemas MOILP (programação multiobjectivo linear com variáveis inteiras). O problema original decompõe-se numa sequência de sub-problemas. É dado um exemplo ilustrativo para o caso de dois critérios.
On the determination of space-time slip distribution with a regularized constra...
Caldeira, Bento; Bushenkov, Vladimir; Borges, José; Smirnov, Gorgi; Bezzeghoud, MouradThe description of the seismic source from a set of their effects recorded at the surface constitutes a scientific problem, with solution reached through the methodological proposal of the Discrete Inverse Theory. In the case of finite sources it consists to determinate the evolution of vector slip field over the fault area: a 3D solution (time and two slip components to the points on the fault). The resolution...
Determinação da Distribuição Espaço Temporal de Deslizamentos Sísmicos Mediante...
Caldeira, Bento; bushenkov, vladimir; Borges, José; Smirnov, Guorgi; Bezzeghoud, MouradIn this work we suggest an algorithm for space-time seismic slip distribution on finite faults for large earthquakes, from sets of teleseismic and strong ground motion waveforms. The solution of an auxiliary linear programming problem is an essential part of the developed method. To test the algorithm and examine the stability, non-uniqueness and robustness we applied it to a set of synthetic data obtained from...
Resultados preliminares do projecto SISMOD
Caldeira, Bento; Borges, José Fernando; Bezzeghoud, Mourad; Bushenkov, Vladimir; Smirnov, G.Apresentação dos principais resultados do projecto que tinha como objectivo principal desenvolver um algoritmo para a caracterização espaço-temporal de deslizamentos para qualquer tipo de fonte sísmica. O método de inversão deveria ser desenvolvido por forma a permitir usar, em simultâneo dados sísmicos campo próximo; sísmicos a distâncias telesísmicas e; geodésicos. Nesta comunicação foi apresentado o método d...
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