Insights of File-Sharing System Forums

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Jourjon, Guillaume; Mehani, Olivier; Rakotoarivelo, Thierry


2013-10-24


Conference Material


WNM 2013, 7th IEEE Workshop on Network Measurements (co-located with LCN 2013)


Sydney, Australia


948--955


One-click file hosting systems (1-CFHS) have become a prominent means to exchange files across the Internet. Studies have previously identified that a lot of the hosted content is infringing on its owner's copyright, and some of the most well know 1-CFHSs have been taken offline as a result of this. In this paper, we present a pilot study of how links to and copies of such content are exchanged via online forums. We have crawled and parsed pages from four of the most prominent sites over a period of a few months in order to extract URLs to these items. These URLs have then been periodically tested until they became unavailable in order to derive the lifespan of these copies on various 1-CFHS. We find that URLs are mostly posted once, presumably by their creators, and that illegal content on 1-CFHSs has an availability expectancy of about 40 days before being taken down. We propose a simple life-and-death model for such content in the form of a Markov chain, and inform a future larger-scale measurement campaign based on the results.


IEEE


NICTA


https://doi.org/10.1109/LCNW.2013.6758537


English


nicta:7123


Jourjon, Guillaume; Mehani, Olivier; Rakotoarivelo, Thierry. Insights of File-Sharing System Forums.[Conference Material]. IEEE; 2013-10-24. <a href="https://doi.org/10.1109/LCNW.2013.6758537" target="_blank">https://doi.org/10.1109/LCNW.2013.6758537</a>



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