In a peer-to-peer (P2P) distributed system, nodes of equivalent capabilities and responsibilities pool their resources together to share information and services. However, most of the existing P2P systems such as Napster and Gnutella provide a coarse granularity of information sharing (i.e., le level) that ignore the content of the le. Moreover, a node's peers are typically statically de ned. I...

In case you haven’t noticed, multimedia communication over IP and wireless networks is exploding. Applications such as BitTorrent, used primarily for video downloads, now take up the lion’s share of all traffic on the Internet. Music file sharing, once on the legal cutting edge of massive copyright infringement on college campuses around the world, has moved into the mainstream with significant...

We present an empirical study investigating how interactions with a popular social tagging system, called del.icio.us, may directly impact knowledge adaptation through the processes of concept assimilation and accommodation. We observed 4 undergraduate students over a period of 8 weeks and found that the quality of social tags and distributions of information content directly impact the formati...

T he whole is greater than the sum of its parts. That, in some ways, explains the theory behind one of the most important new technological opportunities created by the Internet: distributed applications. In distributed Internet applications, functions are distributed online to dozens, thousands, or even millions of computers. These include distributed file-sharing applications, such as the con...

This is the published version of a chapter published in Sounds of the Overground: Selected papers from a postgraduate colloquium on ubiquitous music and music in everyday life. The metamorphosis of music-listening and the (alleged) obliteration of the aura. In: Nedim Hassan & Holly Tessler (ed.), Sounds of the Overground: Selected papers from a postgraduate colloquium on ubiquitous music and mu...

W eb portals and ISPs such as AOL, Microsoft Network, and Yahoo have grown more than tenfold in the past five years. Despite their scale, growth rates, and rapid evolution of content and features, these sites and other “giant-scale” services like instant messaging and Napster must be always available. Many other major Web sites such as eBay, CNN, and Wal-Mart, have similar availability requirem...

Since the creation of Napster back in the late 1990s for the sharing and distribution of MP3 files across the Internet, the entertainment industry has struggled to deal with the regulation of information sharing at large. From an ethics perspective, the practice of file sharing over the internet presents an interesting value conflict between the protection of intellectual property on the one ha...

Title of dissertation: MULTIMEDIA SOCIAL NETWORKS: GAME THEORETIC MODELING AND EQUILIBRIUM ANALYSIS Yan Chen, Doctor of Philosophy, 2011 Dissertation directed by: Professor K. J. Ray Liu Department of Electrical and Computer Engineering Multimedia content sharing and distribution over multimedia social networks is more popular now than ever before: we download music from Napster, share our imag...

Introduction Peer-to-Peer networking has a great potential to make a vast amount of resources accessible [19]. Several years ago, file sharing applications like Napster [15] and Gnutella [8] impressively demonstrated the possibilities for the first time. Because of their success, Peerto-Peer mistakenly became synonymous for file sharing. However, the fundamental Peer-toPeer concept is general a...

Peer-to-peer networks have gained a lot of attention over the last couple of years, mainly due to the popularity of the free multimedia file-sharing program Napster and a legal battle around it. Being open by nature P2P systems represent an ideal environment for various types of malicious intrusions. The problem of securing hosts on P2P network while keeping the openness of the system has been ...