Research Article

Research on Intelligent Campus and Visual Teaching System Based on Internet of Things

Table 4

nDCG and precision on CNKI dataset with variants when n is 6.

MethodnDCGPrecision
p = 20%p = 40%p = 60%p = 20%p = 40%p = 60%

S0.85560.87350.86060.67870.71480.6889
S/T0.85430.87460.86350.67430.71750.6972
S/I0.86510.87350.86230.69460.71420.6917
S/I/T0.86780.70870.87280.87090.70120.7145