Complex sentence: Aiming at the classification and identification of un-identified MSTs, the GMD accessed the information on available reference compounds as a source of training data to apply decision trees (DT) as a supervised machine learning approach.
Split into simpler sentences: Aiming at the classification and identification of un-identified MSTs, the GMD accesses the information on available reference compounds. These compounds serve as training set of data to apply decision trees (DT) as a supervised machine learning approach.