Investigating the Properties of a Social Bookmarking and Tagging Network

Social networks and collaborative tagging systems are rapidly gaining popularity as a primary means for storing and sharing data among friends, family, colleagues, or perfect strangers as long as they have common interests. del.icio.us1 is a social network where people store and share their personal bookmarks. Most importantly, users tag their bookmarks for ease of information dissemination and later look up. However, it is the friendship links, that make del.icio.us a social network. They exist independently of the set of bookmarks that belong to the users and have no relation to the tags typically assigned to the bookmarks. To study the interaction among users, the strength of the existing links and their hidden meaning, we introduce implicit links in the network. These links connect only highly “similar” users. Here, similarity can reflect different aspects of the user’s profile that makes her similar to any other user, such as number of shared bookmarks, or similarity of t...

• Type: Journal
• Year: 2010
• Where: JDWM
• Authors: Ralitsa Angelova, Marek Lipczak, Evangelos E. Milios, Pawel Pralat
• Keywords: Common Interests, JDWM 2010, Random Graphs, Social Network