Topic map for notation of ontology of return on investment indicator

In article, emphasis was placed on verification conception of ontology of return on investment (ROI) indicator for topic map application. Research was carried out on two applications created in program TM4L. This study concentrated on visualization of connections between topics in the context of easier obtaining information about algorithm of counting indicators. Presented in this ontology of ROI indicator will be implemented in order to continue researches on using topic map to visualize semantic associations between indicators.