PMC:7116472 / 11731-11784
Annnotations
LitCovid-sentences
{"project":"LitCovid-sentences","denotations":[{"id":"T77","span":{"begin":0,"end":53},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"Gradient boosting decision trees were used (XGBoost)."}