CORD-19:6e2db98aa242e3e84116afdfad5e250943c55ac5 / 22021-22136 JSONTXT

{"project":"Epistemic_Statements","denotations":[{"id":"T67","span":{"begin":0,"end":115},"obj":"Epistemic_statement"}],"text":"(14) is proven and we thus get that R(S) is submodular.ᮀ By above properties in Theorem 4, the problem given in Eq."}