Fig. 4From: Comprior: facilitating the implementation and automated benchmarking of prior knowledge-based feature selection approaches on gene expression data setsExample implementation of a knowledge base providing network information. Class NetworkKB inherits from the abstract KnowledgeBases class to implement the required interface functions. Class NetworkKB_Webservice retrieves the actual prior knowledge from a web service via their REST APIs. As network information is retrieved, NetworkKB_PathwayParser parses the network information and transforms it into a uniform format that is used by CompriorBack to article page