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Social Computing / IEEE International Conference on Privacy, Security, Risk and Trust, 2010 IEEE International Conference on (2010)
Minneapolis, Minnesota, USA
Aug. 20, 2010 to Aug. 22, 2010
ISBN: 978-0-7695-4211-9
pp: 431-438
ABSTRACT
Assessing the value of individual users' contributions in peer-production systems is paramount to the design of mechanisms that support collaboration and improve users' experience. For instance, to incentivize contributions, file-sharing systems based on the BitTorrent protocol equate value with volume of contributed content and use a prioritization mechanism to reward users who contribute more. This approach and similar techniques used in resource-sharing systems rely on the fact that the physical resources shared among users are easily quantifiable. In contrast, information-sharing systems, like social tagging systems, lack the notion of a physical resource unit (e.g., content size, bandwidth) that facilitates the task of evaluating user contributions. For this reason, the issue of estimating the value of user contributions in information sharing systems remains largely unexplored. This paper introduces this problem and takes the first steps towards a solution. More precisely, it presents a framework to design algorithms that estimate the value of user contributions in tagging systems, proposes three complementary success criteria for potential solutions, and outlines the methodological evaluation challenges.
INDEX TERMS
tagging systems, information value, entropy, web
CITATION
Miranda Mowbray, Flavio Figueiredo, Elizeu Santos-Neto, Marcos Gonçalves, Jussara Almeida, Matei Ripeanu, "Assessing the Value of Contributions in Tagging Systems", Social Computing / IEEE International Conference on Privacy, Security, Risk and Trust, 2010 IEEE International Conference on, vol. 00, no. , pp. 431-438, 2010, doi:10.1109/SocialCom.2010.69
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