Network Embedding-Based Approach for Detecting Collusive Spamming Groups on E-Commerce Platforms

Algorithm 3

Obtaining the collusive spamming groups.

Input: CSG: the candidate spamming groups
Output: TKG: the top-k groups with high spamming scores
(1)	for each group i = 1 to do
(2)	for each indicator j = 1 to 5 do
(3)	calculate the j-th indicator value of the i-th group
(4)	end for
(5)	end for
(6)	calculate the entropy weights of five indicators using equations (7)–(10)
(7)	for each group i = 1 to do
(8)
(9)	for each indicator j = 1 to 5 do
(10)
(11)	end for
(12)	end for
(13)
(14)	return TKG