Profiles in Professional Social Networks
This paper discusses user profiles as an important component of online social networks (OSN). A special category of OSN includes professional social networks, where so-called professional profiles are significant. They enable to connect not only people bu
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Abstract This paper discusses user profiles as an important component of online social networks (OSN). A special category of OSN includes professional social networks, where so-called professional profiles are significant. They enable to connect not only people but also projects to people, courses to students, etc. A powerful tool for representing profiles is ontologies, particularly various classification hierarchies. A contribution of this paper is a matching framework able to consider profiles, whose some features are described by concepts from classification hierarchies. Moreover, users can assign weights to these concepts and influence an associated similarity measure. We discuss the notions of similarity and compatibility of such profiles and show some new possibilities how to tackle the matching problem.
1 Introduction Online social networks (OSN) are emerging as a new type of application on the Internet, which can be considered as a natural extension of Web applications that establishes and manages explicit relationships between users [10]. OSNs have reached a great development and popularity for users to connect as well as express content and share it. For example, MySpace (http://www.myspace.com) with over 275 million users, Facebook (http://www.facebook.com) with over 845 million users in February 2011 and Orkut (http://www.orkut.com) with over 100 million users mainly from India and Brazil are examples of popular networks used to find and organize contacts. A special category of OSN includes professional social networks (PSN), e.g. well-known LinkedIn (http://www.linkedin.com) and Academia. edu (over 1.2 million academics in 2012)—a free social networking Website and
J. Pokorný (*) Department of Software Engineering, Charles University of Prague, Prague, Czech Republic e-mail: [email protected] H. Linger et al. (eds.), Building Sustainable Information Systems: Proceedings of the 2012 International Conference on Information Systems Development, DOI 10.1007/978-1-4614-7540-8_30, © Springer Science+Business Media New York 2013
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collaboration tool aimed at academics and researchers from all fields. The other examples of PSNs include HR.com (0.194 million users in 2010)—the largest social networking site dedicated to the human resources professionals—and ResearchGate (http://www.researchgate.net) with 0.9 million users. We are reminded also one of the oldest network communication systems USENET (http://www.slyck.com/ ng.php) developed by the academic community. For ICT community in the Czech Republic, there exists the social network SoSIReČR (http://www.sitit.cz). A more detailed overview of PSN specialized on ICT can be found, e.g. in [6]. OSNs adapt real world social structures to online channels, both web and mobile. Their members construct personal profiles with the information they want others to know, share interests through recommendations, links or documents and build lists of people with whom they are connected to. PSNs use not only personal profiles but also profile
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