Detecting Fraudulent Bank Account Based on Convolutional Neural Network with Heterogeneous Data

Algorithm 1

DirectedWalk(, , , , ).

Require:

network

maximum walk length , timestamp interval

window size , embedding size

Ensure:

matrix of vertex rpresentations

the directed corpus is initialized to be empty;

for    do

while    do

NodeSentence = .pop() (pop a in its active state)

,

retrieve ’s directed neighbor vertices () from

for    do

if  () or ( and )  then

adds a new vertex

if   has no directed neighbor vertex or   then

= False

end if

(push into )

(15)end if

(16)end for

(17)end while

(18)end for

(19)

(20)for    do

(21)

(22)end for