Fig. 4
![Fig. 4](http://media.springernature.com/full/springer-static/image/art%3A10.1186%2Fs12859-019-3214-6/MediaObjects/12859_2019_3214_Fig4_HTML.png)
The flow chart for the identification of reliable negative samples. OCSVM: one-class support vector machine; KNN: k-nearest neighbor; RNS: reliable negative samples; RU: remaining unlabeled
The flow chart for the identification of reliable negative samples. OCSVM: one-class support vector machine; KNN: k-nearest neighbor; RNS: reliable negative samples; RU: remaining unlabeled