Guest Editorial for Selected Papers From BIOKDD 2021

The papers in this special section were presented at the 20th International Workshop on Data Mining in Bioinformatics (BIOKDD 2021) that was held virtually on August 15, 2021. The conference featured the special theme of “Artificial Intelligence in Medicine” which particularly welcomed paper submissions and invited talks related to the use of machine learning and data mining techniques for the analysis of large amounts of heterogeneous complex biological and medical data, with a particular focus on deep learning methods that see fast advancement and wider adoption in Bioinformatics.