Search Results - "KORHONEN, Pekka J"

An Interactive Evolutionary Multiobjective Optimization Method Based on Progressively Approximated Value Functions by Deb, Kalyanmoy, Sinha, Ankur, Korhonen, Pekka J, Wallenius, Jyrki

“…This paper suggests a preference-based methodology, which is embedded in an evolutionary multiobjective optimization algorithm to lead a decision maker (DM) to…”
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A preference-based evolutionary algorithm for multi-objective optimization by Thiele, Lothar, Miettinen, Kaisa, Korhonen, Pekka J, Molina, Julian

“…In this paper, we discuss the idea of incorporating preference information into evolutionary multi-objective optimization and propose a preference-based…”
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Eco-efficiency analysis of power plants: An extension of data envelopment analysis by Korhonen, Pekka J., Luptacik, Mikulas

“…In public discussion on environmental policy, the notion of eco-efficiency is often used. The joint production of goods and undesirable outputs, such as…”
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A lexicographic radial projection onto the efficient frontier in Data Envelopment Analysis by Korhonen, Pekka J., Dehnokhalaji, Akram, Nasrabadi, Nasim

“…•A lexicographic approach radially projects units onto the efficient frontier.•Components of the radial projection vector are dropped step by step.•The target…”
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An operational test for the existence of a consistent increasing quasi-concave value function by Soleimani-damaneh, Majid, Pourkarimi, Latif, Korhonen, Pekka J., Wallenius, Jyrki

“…•Establishing necessary and sufficient conditions for the existence of an increasing quasi-concave value function consistent with preference information given…”
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Context matters: The impact of product type, emotional attachment and information overload on choice quality by Korhonen, Pekka J., Malo, Pekka, Pajala, Tommi, Ravaja, Niklas, Somervuori, Outi, Wallenius, Jyrki

“…•Product type and emotional attachment to product impact choice accuracy.•With hedonic products, more emotional attachment means less errors.•Increasing…”
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On rational behavior in multi-attribute riskless choice by Korhonen, Pekka J., Wallenius, Jyrki, Genc, Tolga, Xu, Peng

“…•We compare the win-win and tradeoff strategies in multi-attribute riskless choice.•We theoretically investigate the rationality conditions for both…”
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Evaluation of cost efficiency in Finnish electricity distribution by Korhonen, Pekka J, Syrjanen, Mikko J

“…This paper describes the process of developing an approach to evaluating the cost-efficiency of Finnish electricity distribution companies based on Data…”
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An interactive approximation algorithm for multi-objective integer programs by Lokman, Banu, Köksalan, Murat, Korhonen, Pekka J., Wallenius, Jyrki

“…•An interactive algorithm for multi-objective integer programs is developed.•The algorithm finds the most preferred point at a desired level of accuracy.•The…”
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An interactive algorithm to find the most preferred solution of multi-objective integer programs by Lokman, Banu, Köksalan, Murat, Korhonen, Pekka J., Wallenius, Jyrki

“…In this paper, we develop an interactive algorithm that finds the most preferred solution of a decision maker (DM) for multi-objective integer programming…”
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Can a linear value function explain choices? An experimental study by Korhonen, Pekka J., Silvennoinen, Kari, Wallenius, Jyrki, Öörni, Anssi

“…► Humans are not very often fully consistent with a linear value function. ► However, by suitably purging 10% of responses, a majority of them become…”
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Ratio-based RTS determination in weight-restricted DEA models by Korhonen, Pekka J., Soleimani-damaneh, Majid, Wallenius, Jyrki

“…► Reviewing of WRDEA models and RTS determination in these models. ► RTS determination using envelopment WRDEA models. ► RTS determination in WRDEA models…”
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A careful look at the importance of criteria and weights by Korhonen, Pekka J., Silvennoinen, Kari, Wallenius, Jyrki, Öörni, Anssi

“…We investigate the connection between weights, scales, and the importance of criteria, when a linear value function is assumed to be a suitable representation…”
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On ratio-based RTS determination: An extension by Korhonen, Pekka J., Soleimani-damaneh, Majid, Wallenius, Jyrki

“…•We consider identifying the RTS status of DMUs in Weight-Restricted DEA models.•We extend some of the results from our EJOR 2011 paper.•Under suitable…”
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Resource allocation for performance improvement by Nasrabadi, Nasim, Dehnokhalaji, Akram, Kiani, Narsis A., Korhonen, Pekka J., Wallenius, Jyrki

“…In this paper the problem of allocating resources among Decision Making Units is considered. This study covers the case in which several homogeneous units are…”
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Convex cone-based partial order for multiple criteria alternatives by Dehnokhalaji, Akram, Korhonen, Pekka J., Köksalan, Murat, Nasrabadi, Nasim, Wallenius, Jyrki

“…In this paper, we consider the problem of finding a preference-based strict partial order for a finite set of multiple criteria alternatives. We develop an…”
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Efficiency analysis to incorporate interval-scale data by Dehnokhalaji, Akram, Korhonen, Pekka J., Köksalan, Murat, Nasrabadi, Nasim, Wallenius, Jyrki

“…We develop an approach to efficiency analysis to enable us to incorporate interval-scale data in addition to ratio-scale data. Our approach introduces a…”
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A dimensional decomposition approach to identifying efficient units in large-scale DEA models by Korhonen, Pekka J., Siitari, Pyry-Antti

“…In this paper, we propose the use of a dimensional decomposition procedure together with lexicographic parametric programming to reduce computational burden…”
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On value efficiency by Soleimani-damaneh, Majid, Korhonen, Pekka J., Wallenius, Jyrki

“…Value efficiency analysis (VEA) is a data envelopment analysis (DEA)-based approach that measures the efficiency of decision-making units, incorporating the…”
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Constructing a strict total order for alternatives characterized by multiple criteria: An extension by Dehnokhalaji, Akram, Korhonen, Pekka J., Köksalan, Murat, Nasrabadi, Nasim, Tezcaner Öztürk, Diclehan, Wallenius, Jyrki

“…The problem of finding a strict total order for a finite set of multiple criteria alternatives is considered. Our research extends previous work by us, which…”
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