Portfolio Selection
Mostrando 1-12 de 49 artigos, teses e dissertações.
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1. Implicações do ambiente, condições e organização do trabalho na saúde do professor: uma revisão sistemática
Resumo O estado da saúde do professor é fundamental para o êxito do processo de ensino. Além dos aspectos intrínsecos, o contexto escolar afeta o bem-estar do educador. O objetivo deste estudo foi identificar os principais fatores psicossociais, estruturais e relacionais na profissão docente. Uma revisão sistemática da literatura, com o uso de pesqui
Ciênc. saúde coletiva. Publicado em: 25/11/2019
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2. Development of a managerial tool for prioritization and selection of portfolio projects using the Analytic Hierarchy Process methodology in software companies
Resumo Este estudo apresenta uma ferramenta gerencial de priorização e seleção de portfólio de projetos de desenvolvimento de software utilizando a metodologia Analytic Hierarchy Process (AHP). A necessidade de melhores resultados com recursos escassos é um desafio às organizações para gerar vantagem competitiva. A ferramenta é estruturada de acor
Gest. Prod.. Publicado em: 23/09/2019
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3. Concretos com agregados reciclados de resíduos de construção e demolição e adições minerais: uma análise bibliográfica
RESUMO Os impactos ambientais causados pela produção do concreto precisam ser reduzidos para torná-lo um material mais sustentável. O uso de agregados reciclados em substituição aos agregados naturais e das adições minerais em substituição parcial ao cimento são alternativas que podem tornar o concreto um material com menor carga de poluentes asso
Matéria (Rio J.). Publicado em: 10/06/2019
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4. MULTI-AGENT BASED MODELING APPLIED TO PORTFOLIO SELECTION IN THE DOOM-LOOP OF SOVEREIGN DEBT CONTEXT*
ABSTRACT This study explores the self-fulfilling dynamic between sovereign debt risk and rational choices of neutral, risk-seeking and risk-averse investors, with implications to the systemic risk emergence. The agent-based model parameterization includes investment strategy (randomly selected assets, stock exchange participation, economic segment, and techn
Pesqui. Oper.. Publicado em: 09/05/2019
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5. Optimizing short-term production plan using a portfolio optimization model
Abstract Short-term production plans are the basis for operational mine production schedules. They concentrate on making long-term mine plans operationally feasible. It ensures a steady flow of product for meeting blending targets. Due to the quality variation of material, blend optimization is an uncertainty based optimization problem. There are different a
REM, Int. Eng. J.. Publicado em: 2017-03
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6. Decision model to control water losses in distribution networks
Abstract The losses in the urban water supply networks have become a growing concern. There are several alternatives for the quantification, detection and monitoring of water losses. However, in general, water companies have budgetary and other constraints that hinder implementation. Therefore, this paper presents a model to aid the selection of a subset of
Prod.. Publicado em: 25/07/2016
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7. PROJECT SCHEDULING OPTIMIZATION IN ELECTRICAL POWER UTILITIES
The problem of choosing from a set of projects which ones should be executed and whenthey should start, depending on several restrictions involving project costs, risks, limited resources, dependencies among projects, and aiming at different, even conflicting, goals is known as the project portfolio selection (PPS) problem. We study a particular version of t
Pesqui. Oper.. Publicado em: 2015-08
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8. CREDIT SCORING MODELING WITH STATE-DEPENDENT SAMPLE SELECTION: A COMPARISON STUDY WITH THE USUAL LOGISTIC MODELING
Statistical methods have been widely employed to assess the capabilities of credit scoring classification models in order to reduce the risk of wrong decisions when granting credit facilities to clients. The predictive quality of a classification model can be evaluated based on measures such as sensitivity, specificity, predictive values, accuracy, correlati
Pesqui. Oper.. Publicado em: 2015-04
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9. PORTFOLIO SELECTION OF INFORMATION SYSTEMS PROJECTS USING PROMETHEE V WITH C-OPTIMAL CONCEPT
This paper presents a multicriteria decision model for selecting a portfolio of information system (IS) projects, which integrates strategic and organizational view within a multicriteria decision structure. The PROMETHEE V method, based on outranking relations is applied, considering the c-optimal concept in order to overcome some scaling problems found in
Pesqui. Oper.. Publicado em: 2014-08
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10. A multicriteria decision model for selecting a portfolio of oil and gas exploration projects
As well as exploratory activity being at the heart of and guiding the future of the oil industry, it is fundamental that there be a comprehensive analysis covering the various factors and nuances that arise in the selection of exploration projects. Moreover, it is essential that a decision model enables the decisionmaker's preferences to be addressed in a st
Pesqui. Oper.. Publicado em: 08/11/2013
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11. A Methodology to forecast air transportation demand with alternative econometric models
This thesis presents a methodology using a portfolio of time-series models, from conventional ARMA to a regime-changing framework. The objective is to develop an air transportation demand modeling to inspect potential structural breaks in the Brazilian market, due to solve underlying issues of new demand creation. Out-of-sample forecasting is used to generat
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 30/05/2012
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12. Modelos black-litterman e GARCH ortogonal para uma carteira de títulos do tesouro nacional / Black-Litterman and ortogonal GARCH models for a portfolio of bonds issued by the National Treasury
Uma grande dificuldade da gestão financeira é conseguir associar métodos quantitativos às formas tradicionais de gestão, em um único arranjo. O estilo tradicional de gestão tende a não crer, na devida medida, que métodos quantitativos sejam capazes de captar toda sua visão e experiência, ao passo que analistas quantitativos tendem a subestimar a i
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 02/03/2012