Innovation and Practice of Ideological and Political Education Communication Mode Driven by Artificial Intelligence

Figure 1.

Figure 2.

Figure 3.

Figure 4.

Figure 5.

The prediction of the Delicious data set is compared

Model	recall@20	recall@40	recall@60	ndcg@20	ndcg@40	ndcg@60
GNN	0.084	0.121	0.143	0.082	0.098	0.107
Social	0.086	0.122	0.142	0.084	0.098	0.112
This model	0.085	0.127	0.146	0.084	0.105	0.114

Affective type proportion

Type	Distribution	Neutrality	Positive	Negativity	Conflict
Full content	Quantity	1657	1043	955	234
	Proportion	42.61%	26.82%	24.56%	6.02%
Top 100 content	Quantity	40	32	26	2
	Proportion	40.00%	32.00%	26.00%	2.00%

Different user groups create content ratios

Type	Distribution	Core contributor	Active participant	General participant	Diver
Full content	Quantity	33725	19337	6686	396
	Proportion	56.07%	32.15%	11.12%	0.66%
Top 100 content	Quantity	58	36	6	0
	Proportion	58.00%	36.00%	6.00%	0.00%

Forward quantity propagation line diagram

	Fastest	Slowest	Mean	Standard deviation
Propagation velocity	0	1	0.14	0.327
Propagation range	1	4	1.26	0.539
Propagation distance	7	99	55.4	30.726
Propagation persistence	0	27	13.42	9.313

TSD data set experiment results

Model	recall@20	recall@40	recall@60	ndcg@20	ndcg@40	ndcg@60
LightGCN	0.042	0.065	0.082	0.033	0.043	0.044
LightGCN+mlp	0.043	0.068	0.083	0.036	0.039	0.047
LightGCN+MMoE	0.022	0.039	0.05	0.016	0.022	0.025

The prediction of the NATCD data set is compared

Model	recall@20	recall@40	recall@60	ndcg@20	ndcg@40	ndcg@60
GNN	0.288	0.407	0.477	0.226	0.266	0.287
Social	0.286	0.394	0.471	0.226	0.263	0.286
This model	0.295	0.409	0.482	0.23	0.269	0.293

Overview of data sets

Data set	size	Sparse degree	describe
Gowalla	29864*4099	0.00085	Poi recommends data sets
Amazon-book	47516*91227	0.00054	Amazon book scoring data set
TSD	25913*57794	0.00034	Amazon electronic product scoring data set
NATCD	1895*4487	0.0065	NATCD music data set
Delicious	1866*69224	0.0016	User-url data set
Yelp2018	31666*38045	0.0016	The yelp contest data set in 2018

NATCD data set experiment results

Model	recall@20	recall@40	recall@60	ndcg@20	ndcg@40	ndcg@60
LightGCN	0.283	0.398	0.472	0.221	0.264	0.284
LightGCN+mlp	0.293	0.4	0.476	0.229	0.264	0.287
LightGCN+MMoE	0.204	0.3	0.372	0.148	0.179	0.202