الملخص

This paper  deals with PageRanks which are used in the analysis of web links. It  displays an introduction  for the concept PageRanks and also some basic theoretical aspects related to it. It exposures three common methods for the purpose of calculating PageRanks: the direct method, the Markovian method and the power method. In order of fortification, these methods are applied on Internet sites being considered for the centers of the University of Mosul. Because the lack of realistic data, we dealt with hypothetical data for modeling and analysis of the links between sites centers affiliated to the University of Mosul. It is clear from the practical application of the three methods that they give consistent results.