Flow Graph Anomaly Detection Based on Unsupervised Learning

Table 1

The notations/symbols.

Notations/symbols	Meaning
	The time span of the data to be trained
	The graph of the formalized transformation of interactive information within a certain time range
	The graph flow in the continuous time
	The number of nodes
	Edge
	Weight value of the given edge
	Adjacency matrix
	Real number set
	The number of nodes
	Return-para
	Outgoing-para
	The number of dimension
	The positive sample
	The negative sample