fraud detection

The networks are stored under the data/ folder, one file per network. The filename should be <network>.csv.
One line per interaction/edge.
Each line should be: user, item, timestamp, state label, comma-separated array of features.
First line is the network format.
User and item fields can be alphanumeric.
Timestamp should be in cardinal format (not in datetime).
State label should be 1 whenever the user state changes, 0 otherwise. If there are no state labels, use 0 for all interactions.