One of the drawbacks of Data Envelopment Analysis (DEA) is the problem of lack of discrimination among efficient Decision Making Units (DMUs). A method for removing this difficulty is called changing reference set proposed by Jahanshahloo and et.al (2007). The method has some drawbacks. In this paper a modified method and new method to overcome this problems are suggested. The main advantage of...

Abstract Several scholarly knowledge graphs have been proposed to model and analyze the academic landscape. However, although number of data sets has increased remarkably in recent years, these do not primarily focus on but rather associated entities such as publications. Moreover, publicly available set systematically contain links publications which are mentioned. In this paper, we present an...