Table 2.

Search statements for the study.

Search Statement
Internet of Things
IoT
“Internet of Things” or “IoT”
(“Internet of Things” or “IoT”) and not an “inductive output tube”
(“Internet of Things” or “IoT”) and “challenges”
(“Internet of Things” or “IoT”) and “trends”
(“Internet of Things” or “IoT”) and “technologies”
(“Internet of Things” or “IoT”) and “applications”
(“Internet of Things” or “IoT”) and “Security and Privacy”