[Retracted] Application of BIM and Internet of Things Technology in Material Management of Construction Projects

Table 3

Experimental data of location algorithm.

Serial number	Actual coordinates	LANDMARC3-KNN	Improved algorithm
1	(0.0)	(−0.73.2.50)	(1.50.0.06)
2	(0.50)	(0.24.48.68)	(3.03.48.53)
3	(0, 100)	(1.57.100.78)	(1.20.102.22)
4	(0.150)	(0.72.149.24)	(2.40,153.03)
5	(83.0)	(80.61, −1.15)	(2.40,153.03)
6	(0.150)	(80.80.52.87)	(86.28.50.08)
7	(83.100)	(86.21.97.33)	(83.23.100.66)
8	(83.150)	(80.46.152.93)	(84.12.150.25)