The smarty4covid dataset and knowledge base: a framework enabling interpretable analysis of audio signals. - Konstantia Zarkogianni; Edmund Dervakos; George Filandrianos; Theofanis Ganitidis; Vasiliki Gkatzou; Aikaterini Sakagianni; Raghu Raghavendra; C. L. Max Nikias; Giorgos Stamou; Konstantina S. Nikita (CoRR, 2023)