Table 1.

Distribution of clustering subject high frequency words.

Subject 0	Pilot	Crash	Release	Ethiopia	Responsibility
Probability	0.0.31	0.022	0.021	0.042	0.032
Topic 1	Grounded	Fault	Publish	China	Global
Probability	0.038	0.032	0.016	0.013	0.012
Topic 2	Photo	Passport	Staff	Accident	Information
Probability	0.028	0.026	0.015	0.016	0.016
Topic 3	Publish	Video	Status	Rummage	Maneuver
Probability	0.027	0.024	0.021	0.020	0.019
Topic 4	Press conference	China Eastern Airlines	Air China	Relics	Girl
Probability	0.044	0.036	0.036	0.030	0.020
Topic 5	Boeing	System	Defect	Aircraft	Aircraft
Probability	0.062	0.039	0.039	0.038	0.037
Topic 6	Family members	Victim	Prosecution	Dead	Remains
Probability	0.019	0.016	0.017	0.015	0.015