Multiobjective Personalized Recommendation Algorithm Using Extreme Point Guided Evolutionary Computation

Table 8

Computational complexities of all comparison recommendation algorithms.

Comparison algorithms	Computational complexity
User-based-CF	O(m^2⋅n)
MF	O(m^2⋅n)
PMOEA-ProbS	O(T⋅N⋅m^2⋅n)
PMOEA-CF	O(T⋅N⋅m^2⋅n)
MOEA-ProbS	O(T⋅N⋅m^2⋅n)
MOEA-EPG	O(T⋅N⋅m^2⋅n)