Country: Brazil

Found 369 papers in total
On the evalution of Brazilian landline telephone services companies
On the evalution of Brazilian landline telephone services companies
2002,
In this work we investigate the relative efficiency of 34 Brazilian Landline Telephone...
Development of a prototype for a geographical information system for addressing the problem of antennas location
Development of a prototype for a geographical information system for addressing the problem of antennas location
2006,
This work shows an approach to the antennas location problem, which is common in...
Using the method multicriteria ELECTRE TRI for classification of stocks in the construction industry
Using the method multicriteria ELECTRE TRI for classification of stocks in the construction industry
2006,
The civil construction sector has an important place in the country's economic and...
The problem of cutting defective boards
The problem of cutting defective boards
2006,
This paper addresses to the two-dimensional cutting problem where a rectangular plate...
Heuristics to the cutting of unidimensional integer stock problem
Heuristics to the cutting of unidimensional integer stock problem
2006,
One-dimensional cutting stock problems consist of cutting standard objects available...
Joint use of econometric modeling and optimization in decisions on granting credit
Joint use of econometric modeling and optimization in decisions on granting credit
2002,
We use a Logit Model such as the one developed by Scarpel & Milioni designed to...
Data envelopment analysis – DEA and fuzzy sets to assess the performance of academic departments: a case study at Federal University of Santa Catarina – UFSC
Data envelopment analysis – DEA and fuzzy sets to assess the performance of academic departments: a case study at Federal University of Santa Catarina – UFSC
2002,
This paper addresses the issue of performance evaluation – productivity and...
Statistics for the provision of reactive power in electrical systems
Statistics for the provision of reactive power in electrical systems
2006,
The forecasting of reactive and active power is an important tool in the monitoring of...
Hypercube queue model with multiple order and partial backup for systems analysis of emergency medical care in highways
Hypercube queue model with multiple order and partial backup for systems analysis of emergency medical care in highways
2006,
The hypercube is a spatially distributed queuing model based on Markovian analysis...
Simulation of the e-mail service through a queueing model
Simulation of the e-mail service through a queueing model
2006,
We study, through simulation of a queuing model, the e-mail service provided by the...
Planning for radiotherapy treatment through methods of interior points
Planning for radiotherapy treatment through methods of interior points
2006,
In this work, a specialized interior point method is developed for planning cancer...
Optimal number of independent classifications with error in conformity assessment of products
Optimal number of independent classifications with error in conformity assessment of products
2002,
In this paper we study the optimal number of independent classifications on each...
Joint modeling of average and dispersion of Nelder and Lee as an alternative to methods of Taguchi
Joint modeling of average and dispersion of Nelder and Lee as an alternative to methods of Taguchi
2006,
In the last years, in Japan, Genichi Taguchi developed some techniques to improve the...
Estimation of the lower quota for the reliability of systems by tree-fault
Estimation of the lower quota for the reliability of systems by tree-fault
2006,
The fault tree analysis is an important technique in the context of reliability and...
A data envelopment analysis model for rank ordering suppliers in the oil industry
A data envelopment analysis model for rank ordering suppliers in the oil industry
2002,
The benefits of integration companies–suppliers top the strategic agendas of...
Identifying the operational best practices through association Benchmarking – DEA: the case of oil refineries
Identifying the operational best practices through association Benchmarking – DEA: the case of oil refineries
2006,
This work studies the implementation of an Operational Research method named Data...
Multicriteria decision-making model for locating New Jaguaribara with vip analysis
Multicriteria decision-making model for locating New Jaguaribara with vip analysis
2006,
Projects of great dams, most of the time, imply in the flood of cities and populated...
Performance assessment of the soccer teams in Brazil using DEA
Performance assessment of the soccer teams in Brazil using DEA
2006,
In this paper we propose a DEA (Data Envelopment Analysis) based ranking for Brazilian...
Study and implementation of collaborative transportation for loads of great volume
Study and implementation of collaborative transportation for loads of great volume
2006,
This research proposes to carry out a study of Collaboration Transportation of large...
An interactive heuristic for generation of paths in graphs with restriction of grades: application to the design of railway systems
An interactive heuristic for generation of paths in graphs with restriction of grades: application to the design of railway systems
2002,
The work discusses the design of a metro network through a graph-theoretical model...
Analysis of variation in productivity of Portuguese water services between 1994 and 2001 using the Malmquist approach
Analysis of variation in productivity of Portuguese water services between 1994 and 2001 using the Malmquist approach
2006,
A decision-making unit productivity can be defined as the relationship between the...
Group decision model for managing loss of water
Group decision model for managing loss of water
2006,
The planning of actions in supply systems, especially related to loss reduction and...
An analysis of the importance of appropriate tie breaking rules in dispatch heuristics
An analysis of the importance of appropriate tie breaking rules in dispatch heuristics
2006,
In this paper, we analyse the effect of using appropriate tie breaking criteria in...
A Bayesian approach to investment decisions
A Bayesian approach to investment decisions
2006,
This study analyses the investment decisions of 497 Brazilian firms in the period...
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