?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.au=Wan%2C+C&rft.aufirst=C&rft.aulast=Wan&rft.pages=201-240&rft.title=Artificial+Intelligence+Review&rft.atitle=An+empirical+evaluation+of+hierarchical+feature+selection+methods+for+classification+in+bioinformatics+datasets+with+gene+ontology-based+features&rft.volume=50&rft.date=August+2018&rft.genre=article