PMC:7796058 / 69638-70043 JSONTXT

{"project":"LitCovid-sentences","denotations":[{"id":"T521","span":{"begin":0,"end":405},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"Figure 8 The developed BLE contact tracing mobile application. (a) Sign in/up process for using Amazon Authentication Service using the Amazon Cognito Product; (b) Showing three different types of activities; (c) Collecting Observations including Date, Time, BeaconID, and Time Duration, and storing them in the internal SQLite DB; (d) Publishing internal information to Amazon Cloud using MQTT Protocol."}