Fig. 1

Illustration of the RWRMTN and RWRMDA methods. a Heterogeneous miRNA networks/MiRNA-target networks were constructed using miRNA-target gene interactions. b Homogeneous miRNA networks/MiRNA functional similarity networks were constructed using target genes shared among miRNAs. c Two miRNAs known to be associated with a disease under study are mapped as source/seed nodes in a homogeneous miRNA network. In addition to these two known disease-associated miRNAs, their target genes are also used as source/seed nodes in a heterogeneous miRNA network. d Ranking methods score all nodes in the heterogeneous or homogeneous miRNA network