Cumulative distribution function of access scores in an arbitrary week of the Wiki. This figure reports the frequency of access scores, as a cumulative distribution function for one week of the Wiki dataset. In this figure, the x-axis corresponds to the access scores. The y-axis corresponds the fraction of the scores with value less than a specific score Xi.
Chen et al. Security Informatics 2012 1:5 doi:10.1186/2190-8532-1-5