PMC:7796058 / 30261-30399 JSONTXT

{"project":"LitCovid-sentences","denotations":[{"id":"T193","span":{"begin":0,"end":138},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"For this research, topological relationships from the OGC IndoorGML dual graph were used for risk aggregation for the multi-sensor system."}