PMC:7782580 / 8601-8777 JSONTXT

{"project":"LitCovid-sentences","denotations":[{"id":"T55","span":{"begin":0,"end":176},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"Different optimization goals were established for the different stages in the framework to obtain good performances, which were evaluated using multiple statistical indicators."}