Discovery gene-disease links is important in biology and medicine areas, enabling disease identification and drug repurposing.
Machine learning approaches accelerate this process by leveraging biological knowledge represented in ontologies and the structure of knowledge graphs.
A novel framework is introduced for comparing the performance of link prediction versus node-pair classification tasks in gene-disease association prediction.
Results show that enriching the semantic representation of diseases slightly improves performance, while additional links generate a greater impact. Link prediction methods outperform overall.