[Retracted] A Study on the Topic-Sentiment Evolution and Diffusion in Time Series of Public Opinion Derived from Emergencies

Table 4

Topic clustering and heat comparison of various types of emergencies.

No.	Topic	Data	Heat	Is it derivative?
N-1	The list of martyrs was announced	47759	0.480	No
2	Guard mountains and rivers, and guard the homeland	39412	0.396	Yes
3	The forest fire is under control	3816	0.038	No
4	Salute every hero who carries the burden	3424	0.034	Yes
5	Relatives commemorate the martyrs	1833	0.018	No
6	Remember the spirit of serving the motherland	1600	0.016	Yes
7	Internet users have been detained for insulting martyrs	1323	0.013	Yes
8	The citizens bid a tearful farewell to the martyrs	445	0.004	No
A-1	The survival of the trapped miners	47553	0.430	No
2	The public hoped for the safe return of the miners	32346	0.293	No
3	A foreign trade dispute arose in the mineral trade	14782	0.134	Yes
4	There was an explosion at the gold mine site	7545	0.068	No
5	The results of the accident investigation were announced	6342	0.057	No
6	Improve the system to prevent the recurrence of the tragedy	1057	0.010	Yes
7	Carry out the investigation and rectification of risks and hidden dangers	880	0.008	Yes
P-1	Latest news about a massive virus outbreak on ships	49213	0.575	No
2	The news media reported the situation of the epidemic	7447	0.087	Yes
3	People prayed for the safe return of those infected	6499	0.076	No
4	The public accused officials of shirking their responsibility	6490	0.076	Yes
5	The government held a press conference to give details of the virus outbreak about the ship	6295	0.074	No
6	People called for a common fight against the epidemic	4138	0.048	Yes
7	The police arrested those who were obstructing the fight against the epidemic	2308	0.027	Yes
8	Medical personnel are on board to help infected people	1711	0.020	No
9	Cruise ship epidemic prevention and control is ineffective, becoming a disaster area	1450	0.017	No
S-1	A hostage-taking incident took place in Kunming	47288	0.465	No
2	Protect fairness and justice, and reduce the tragedy	21844	0.215	Yes
3	The public prayed for the safety of the injured	15358	0.151	No
4	Details of the hijacking were relayed to the authorities	4876	0.048	No
5	The public discussed the specific circumstances of the hijacking case	4687	0.046	No
6	Malignant incident caused the net friend onlookers	3943	0.039	Yes
7	Formulate policies and improve relevant systems	2991	0.029	Yes
8	Discuss the offender’s motive and condemn the offender	747	0.007	No