Table 3. Comparison of FL with glocalization performance

HR@20	Proprietary	Homogeneous		Heterogeneous
	Local	FL glocal AB (retailer data)	Data-shared AB (retailer data)	FL glocal ABCD (aII data)	Data-shared ABCD (aII data)
(A) Retailer S	0.106	0.111	0.124	0.076	0.105
(B) Retailer L	0.112	0.119	0.129	0.084	0.111