Community Detection Based on Density Peak Clustering Model and Multiple Attribute Decision-Making Strategy TOPSIS

Algorithm 4

Nonkeynodes_alloction .

	Input: , the network; , the community partition of network; , the nodes not covered in the expanded communities.
	Output: , the partition of network.
(1)	arrange by of each ;
(2)	for each in do
(3)	’s first- and second-order neighbors;
(4)	= calculate the four similarities between and ;
(5)	-similarity = TOPSIS ;
(6)	node with max -similarity;
(7)	ifthen
(8)	if in then
(9)	add to the community in which belongs;
(10)	else
(11)	.add ;
(12)	end
(13)	else
(14)	.add ();
(15)	end
(16)	end
(17)	return