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Decoding information from noisy, redundant, and intentionally distorted sources

Author

Listed:
  • Yu, Yi-Kuo
  • Zhang, Yi-Cheng
  • Laureti, Paolo
  • Moret, Lionel

Abstract

Advances in information technology reduce barriers to information propagation, but at the same time they also induce the information overload problem. For the making of various decisions, mere digestion of the relevant information has become a daunting task due to the massive amount of information available. This information, such as that generated by evaluation systems developed by various web sites, is in general useful but may be noisy and may also contain biased entries. In this study, we establish a framework to systematically tackle the challenging problem of information decoding in the presence of massive and redundant data. When applied to a voting system, our method simultaneously ranks the raters and the ratees using only the evaluation data, consisting of an array of scores each of which represents the rating of a ratee by a rater. Not only is our approach effective in decoding information, it is also shown to be robust against various hypothetical types of noise as well as intentional abuses.

Suggested Citation

  • Yu, Yi-Kuo & Zhang, Yi-Cheng & Laureti, Paolo & Moret, Lionel, 2006. "Decoding information from noisy, redundant, and intentionally distorted sources," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 371(2), pages 732-744.
    • Handle: RePEc:eee:phsmap:v:371:y:2006:i:2:p:732-744
    DOI: 10.1016/j.physa.2006.04.057
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    Cited by:

    1. Hao Liao & An Zeng & Rui Xiao & Zhuo-Ming Ren & Duan-Bing Chen & Yi-Cheng Zhang, 2014. "Ranking Reputation and Quality in Online Rating Systems," PLOS ONE, Public Library of Science, vol. 9(5), pages 1-7, May.
    2. Shang, Junfeng & Wang, Yougui, 2013. "Rating the raters in a mixed model: An approach to deciphering the rater reliability," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 392(10), pages 2447-2459.

    More about this item

    Keywords

    Reputation systems; Information filtering;

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