Figure 6From: Novel metrics for evaluating the functional coherence of protein groups via protein semantic networkSteiner trees for random and KEGG protein groups. The biologic topics are represented by square vertices, whereas proteins are represented by circle vertices. (a) A Steiner tree of a random protein group. (b) The Steiner tree of human apoptosis pathway proteins. KEGG, Kyoto Encyclopedia of Genes and Genomes.Back to article page