Abstract: Provided is a system for generating the rankings and ratings of user profiles in a social network service (SNS). The system includes a communication unit configured to communicate with terminals of users in the SNS and receive profiles including a performance measurement item representing characteristics and interaction data of the users from the terminals of the users, a first storage unit configured to store the profiles and the interaction data, a second storage unit configured to store scoring rule including performance metrics and profile level data regarding the interaction, and a processor configured to extract profiles including a performance measurement item selected according to a user's input received through the communication unit from the profiles stored in the first storage unit, extract interaction data regarding the profiles, and generate rankings and ratings of the profiles by applying the performance metrics of interaction and the scoring rule to the interaction data.