PMC:7782580 / 8490-8714 JSONTXT

{"project":"LitCovid-sentences","denotations":[{"id":"T54","span":{"begin":5,"end":110},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"ta). The classification results were compared with evaluations by experts with different levels of experience. Different optimization goals were established for the different stages in the framework to obtain good performanc"}