Cite HEMDAG

If you use HEMDAG package please cite the following references:

• Notaro M, Marco Frasca, Alessandro Petrini, Jessica Gliozzo, and Giorgio Valentini. HEMDAG: a family of modular and scalable hierarchical ensemble methods to improve gene ontology term prediction. Submitted to Bioinformatics.
• Marco Notaro, Max Schubach, Peter N. Robinson, and Giorgio Valentini. Prediction of Human Phenotype Ontology terms by means of hierarchical ensemble methods. BMC Bioinformatics, 18(1):449, December 2017. doi:10.1186/s12859-017-1854-y.