PMC:7782580 / 32697-32906 JSONTXT

{"project":"LitCovid-sentences","denotations":[{"id":"T252","span":{"begin":0,"end":209},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"Training occurred at each stage for a specified goal, and the second stage used the features extracted by the first stage, thereby reusing the features and increasing the convergence speed of the second stage."}