%0 Journal Article %T Classification of Explainable Artificial Intelligence Methods through Their Output Formats %A Vilone, Giulia %A Longo, Luca %J Machine Learning and Knowledge Extraction %V 3 %N 3 %P 615-661 %@ 2504-4990 %D 2021-08-04 %I Multidisciplinary Digital Publishing Institute %~ DeepDyve