Deriving the polarity and strength of opinions is an important research topic, attracting significant attention over the last few years. In this work, to measure the strength and polarity of an opinion, we consider the economic context in which the opinion is evaluated, instead of using human annotators or linguistic resources. We rely on the fact that text in on-line systems influences the beh...

A primary difficulty in preventing malicious activity in distributed networks is that nodes do not have fixed classifications. A node’s behavior can fluctuate between generating wanted and unwanted interactions temporally or vary depending on the action involved. To help alleviate this reputation systems have been proposed. However, a formal model which encompasses the prior systems and allows ...

Objective: The current research is to investigate the relation between deterministic thinking and mental health among drug abusers, in which the role of  cognitive distortions is considered and clarified by focusing on deterministic thinking. Methods: The present study is descriptive and correlative. All individuals with experience of drug abuse who had been referred to the Shafagh Reha...

professional attitudes of employees in organizations are associated with costumer perception to organization. these characteristics are consequences of positive image of the customers of society to organization. thus, employees’ skills, attitudes and behaviors are important in this field. high reputation of iran khodro company among people and its costumers always prompt many staffs to emerge p...

applying robust optimization to solve product mix problem in automotive industries in this article, applying robust optimization in product mix problem in automotive industries is presented. the problem includes determining both the quantity and the identification of each product to produce to maximize profit. at first, the deterministic model will be presented. then, robust model of product mi...

Abstract Impact of Corporate Reputation on Brand Segmentation Strategy : An Empirical Study from Iranian Pharmaceutical Companies The impact of corporate reputation uses, including value creation, corporate communication and strategic resources on branding strategies such as segmentation and producing intangible assets for different industries is investigated in western countr...