Prediction of Suspect Activity Trajectory in Food Safety Area Based on Multiple U-Model Algorithm

Table 1

Detection result of criminals from social data.

No.	Specific content	Model outputs	Sentiment score	Crime types
1	That is going too far!
	I’m going to kill these officials and join ISIS.	Negative	−4.9644	Politics
2	It’s a beautiful day today.	Positive	0.2397	None
⋮	⋮	⋮	⋮	⋮
812	Terrible! I must destroy this activity.	Negative	−3.8753	Crime involving guns and explosives
	Tomorrow you buy some nitroglycerin.
813	He is always bullying me!	Negative	−1.9564	Food safety and terrorism
	I am going to fight back and put sleeping pills in his water.
814	The sun is new every day and our life are full of hope.	Positive	0.8674	None