Building reputation systems for better ranking

Details Building reputation systems for better ranking Building reputation systems for better ranking

2010-01-13

arxiv.org/abs/1001.2186v1

Computer Science

Information Retrieval

5 pages, 4 figures, 1 table

Scientific paper

How to rank web pages, scientists and online resources has recently attracted increasing attention from both physicists and computer scientists. In this paper, we study the ranking problem of rating systems where users vote objects by discrete ratings. We propose an algorithm that can simultaneously evaluate the user reputation and object quality in an iterative refinement way. According to both the artificially generated data and the real data from MovieLens and Amazon, our algorithm can considerably enhance the ranking accuracy. This work highlights the significance of reputation systems in the Internet era and points out a way to evaluate and compare the performances of different reputation systems.

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