As one of aimed items at Smart Television (Smart TV) and Internet Protocol Television (IPTV), it has been stressed to share watching and enjoying the programs among audiences by using social networks. There have been several proposals to use various approaches. However, the progress of standardization efforts, especially to define an appropriate reputational Ontology for improving the quality of IPTV services after importing the achievements of existing examinations, looks slow. In this study, we present a comprehensive data model for designing the reputational Ontology based on the users' evaluations in Social Network Systems (SNS).