Fig. 1
From: Machine learning to refine decision making within a syndromic surveillance service
![Fig. 1](http://media.springernature.com/full/springer-static/image/art%3A10.1186%2Fs12889-019-6916-9/MediaObjects/12889_2019_6916_Fig1_HTML.png)
A simple 4 node network representing the conditional independence of observed symptoms A, B and C given a patient with disease D and a representation of naïve Bayes decision making