The Interval Parameter Optimization Model Based on Three-Way Decision Space and Its Application on “Green Products Recommendation”

Table 5

Three-way decision concept by  = 4/6 and  = 1.

Concept	Upper extension	Lower extension	Intension Y	Accept loss	Noncommitment loss	Reject loss
	{12345679}	{5679}	ae	0	5.5	0
	{15679}	{15679}	af	0	0	12
	{245679}	{59}	abe	0	9	0
	{124567910}	{58}	abf	0	9	7.5
	{135679}	{579}	ace	0	4.33	7.5
	{1356789}	{1579}	acf	0	6.67	15
	{1345679}	{67}	ade	0	6.2	5
	{1345678910}	{167}	adf	0	7.83	15
	{579}	{5}	abce	0	5	6.43
	{1579}	{59}	abcf	0	7.83	12.5
	{14567910}		abdf	0	9	10
	{135679}	{7}	acde	0	6.2	7.5
	{1356789}	{17}	acdf	0	7.6	15
	{579}		abcde	0	5	6.43
	{1579}		abcdf	0	7.83	12.5