Semantic Integration of Sensor Knowledge on Artificial Internet of Things

Table 1

Descriptions on testing cases.

Testing case	Ontology	Scale
Conference track	Cmt	36 classes
	Conference	60 classes
	Confof	38 classes
	Edas	104 classes
	Ekaw	77 classes
	Iasted	140 classes
	Sigkdd	49 classes
Real sensor ontology	CSIRO sensor ontology^2	33,205 classes
	Semantic sensor network ontology (SSN)^3	32,298 classes
	MMI device ontology^4	24,034 classes