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Pesquisa Operacional
On-line version ISSN 1678-5142


Table of contents
Pesqui. Oper. vol.32 no.2 Rio de Janeiro May/Aug. 2012

Rough set and rule-based multicriteria decision aiding
Slowinski, Roman; Greco, Salvatore; Matarazzo, Benedetto

Differentiated risk models in portfolio optimization: a comparative analysis of the degree of diversification and performance in the São Paulo Stock Exchange (BOVESPA)
Gartner, Ivan Ricardo

Comparison between the complete Bayesian method and empirical Bayesian method for ARCH models using Brazilian financial time series
Oliveira, Sandra C.; Andrade, Marinho G.

Application of an iterative method and an evolutionary algorithm in fuzzy optimization
Silva, Ricardo Coelho; Cantão, Luiza A.P.; Yamakami, Akebo

A new method for decision making in multi-objective optimization problems
Augusto, Oscar Brito; Bennis, Fouad; Caro, Stephane

Decision aiding in plastic surgery: a multicriteria analysis
Gomes, Luiz Flávio Autran Monteiro; Rangel, Luís Alberto Duncan; Fernandes, Priscila Pereira

Unitary input DEA model to identify beef cattle production systems typologies
Gomes, Eliane Gonçalves; Abreu, Urbano Gomes Pinto de; Mello, João Carlos Correia Baptista Soares de; Carvalho, Thiago Bernardino de; Zen, Sérgio de

Validating rankings in soccer championships
Sant'Anna, Annibal Parracho; Mello, João Carlos Correia Baptista Soares de

Using ELECTRE TRI to support maintenance of water distribution networks
Trojan, Flavio; Morais, Danielle Costa

Some experiments with a savings heuristic and a tabu search approach for the vehicle routing problem with multiple deliverymen
Ferreira, Vanessa de Oliveira; Pureza, Vitória