PMC:7796058 / 69638-70043 JSON TXT

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Id	Subject	Object	Predicate	Lexical cue
T521	0-405	Sentence	denotes	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.