Parametric Extension of the Most Preferred OWA Operator and Its Application in Search Engine's Rank

Table 7

Comparison of ranks given to search engines with different values of parameter 𝑟.

Methods/search engines	Parametric Mp-OWA operator with parameter 𝑟									MP-OWA operator
	−4	−3	−2	−1	0	1	2	3	4
WebFusion-OWA	1	1	1	1	1	1	1	1	1	1
WebFusion-Max	2	2	2	2	2	2	2	2	2	2
ProFusion	3	3	3	3	3	3	3	3	3	3
Altavista	4	4	4	4	4	4	4	4	4	4
Msn	5	5	5	5	5	5	5	5	5	5
MetaCrawler	6	6	6	6	6	6	6	6	6	6
Teoma	9	9	9	9	9	7	7	7	7	7
Lycos	7	7	7	7	7	8	8	8	8	8
Yahoo	8	8	8	8	8	9	9	9	9	9
WiseNut	10	10	10	10	10	10	10	10	10	10
LookSmart	11	11	11	11	11	11	11	11	11	11