A utility function is an important tool for representing a DM's preference. We adjoin utility functions to multi-objective optimization problems. In current studies, usually one utility function is used for each objective function. Situations may arise for a goal to have multiple utility...

Purpose – The purpose of this paper is to propose a Meta modeling based on regression, neural network, and clustering to analyze the job satisfaction factors and improvement policy making. Design/methodology/approach – Since any job satisfaction evaluation supposes to improve the status by...

One of the substantial concerns in any large scale enterprises is the process of evaluating, selecting and improving suppliers due to the involvement of many uncontrollable and unavoidable factors. To address this issue in industry, suppliers are selected in the context of a resilient supply...

One way to finance government expenditures is to collect taxes. Regarding to this financial source compared with other sources positive tax knowledge sharing amongst people or tax payers lead to effective investment. Unlike developing countries in developed countries - that taxes have little...

This paper proposes a three phase framework for classifying innovative activities based on the corresponding calculated risk. In the developed model, the innovative activities are collected from the literature and are classified into risk classes using decision tree and Iterative Dichotomiser 3...

Purpose: This paper presents a stepwise method for identification and analysis of innovative activities in production systems. The purpose of this paper is to provide a structure in order to propose the risk paradigms and factors corresponding to the innovative activities and evaluation of the...

Purpose: The purpose of this paper is to estimate the required number of robots consisting of some non-repairable components, by employing a renewal model. Considering the importance of the availability of standby autonomous robots for reducing and preventing down-times of advanced production...

The concept of utility is used as a decision tool for consumers to choose a commodity. Analyzing consumer behavior is complicated due to the qualitative nature of the utility. Hence, this paper investigates a quantitative method to evaluate the utility of consumers. The methodology is based on...

Reverse supply chain problem is one of the concepts in supply chain which as well explore wastes management in relation to customer. In reverse supply chains, wastes are recovered and reproduced leading to profit making of new products which is produced. In this study, residuals, after...

Since maximization of learning and organizational learning capabilities is the most important element for the success of knowledge management in each organization, this paper focuses on the dimensions of organizational learning capability. We suggest a mathematical clustering structure of...