PMC:7796058 / 76220-76448 JSONTXT

{"project":"LitCovid-sentences","denotations":[{"id":"T590","span":{"begin":150,"end":228},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"This is defined as the ratio of the total number of items appearing in both Rj and Mj to the total number of Rj [66]. n is the total number of users. A higher value for the Precision means better performance and higher accuracy."}