Due to the amount of personally identifiable information shared by users of online social networks (OSNs) and the often not adequately adjusted privacy settings, it is possible to identify a user’s several OSN profiles. In this paper, we illustrate that third parties just have to take a small step to link OSN profiles of a user and, consequently, to aggregate various pieces of information share...

Online social networks (OSNs) user data have a great commercial value to marketing companies, competing networking sites and identity thieves. With the emergence of new web technologies public developers are able to interface and extend the online websites services as applications. Proposing a fine-grained access control model for controlling application access to the OSN user data does not sol...

Online Social Networks (OSNs) have become ubiquitous and changed the way that users interact online. There has been an enormous growth in the usage of OSNs in the past few years as users utilize OSNs to share a variety of information. This vast amount of information is valuable, and therefore introduces several privacy risks and challenges. In this research proposal we analyze the security and ...

The rise of online social networks (OSNs) has traditionally been accompanied by privacy concerns. These typically stem from facts: First, OSN service providers’ access to large databases with millions of user profiles and their exploitation. Second, the user’s inability to create and manage different identity facets and enforce access to the self as in the real world. In this paper, we argue in...

Although extensive studies have been conducted on online social networks (OSNs), it is not clear how to characterize information propagation and social influence, two types of important but not well defined social behavior. This paper presents a measurement study of 58M messages collected from 700K users on Twitter.com, a popular social medium. We analyze the propagation patterns of general mes...

Assessing trust in online social networks (OSNs) is critical for many applications such as marketing and network security. It a challenging problem, however, due to the difficulties of handling complex topologies conducting accurate assessment these topologies. To address challenges, we model by proposing three-valued subjective logic (3VSL) model. 3VSL properly models uncertainties that exist ...

OSN plays a vital role in day to day life. User can communicate with other user by sharing several types of contents like image, audio and video contents. Major issue in OSN(Online Social Network) is to preventing security in posting unwanted messages. Ability to have a direct control over the messages posted on user wall is not provided. Unwanted post will be directly posted on the public wall...

Online social networks (OSNs) contain data about users, their relations, interests and daily activities and the great value of this data results in ever growing popularity of OSNs. There are two types of OSNs data, semantic and topological. Both can be used to support decision making processes in many applications such as in information diffusion, viral marketing and epidemiology. Online Social...

Marketing has been criticised from all spheres today since the real worth of all the marketing efforts can hardly be precisely determined. Today consumers are better informed and also misinformed at times due to the bombardment of various pieces of information through a new type of interactive media, i.e., social media (SM). In SM, communication is through dialogue channels wherein consumers pa...