Modeling privacy requirements for quality manipulation of information on social networking sites

The volume and diversity of information shared and exchanged within and across social networking sites is increasing. As a result new and challenging requirements are needed for quality manipulation of the information. An important requirement is information usability with privacy dimensions. Existing social networking sites do not provide adequate functionalities to fulfill privacy requirements of information use. This is largely due to the lack of a privacy-by-design approach that conducts an effective privacy requirements analysis as a means to develop suitable models for social networking that protect privacy. To bridge this gap, this paper analyses and models privacy requirements for a recommendation service in social networking sites