Bias and heterogeneity in peer assessment can lead to the issue of unfair scoring in the educational field. To deal with this problem, we propose a reference ranking method for an online peer assessment system using HodgeRank. Such a scheme provides instructors with an objective scoring reference based on mathematics.
4th International Workshop on Machine Learning Methods for Recommender Systems. In conjunction with 18th SIAM International Conference on Data Mining, The Society for Industrial and Applied Mathematics