Prediction of New Media Information Dissemination Speed and Scale Effect Based on Large-Scale Graph Neural Network

Table 5

Time series space impact cascade prediction performance comparison table (MSLE).

Data set	Weibo (hours)			HEP-PH (year)
	1	2	3	3	5	7
CasCN K = 2	2.242_	2.036_	1.916_	1.004_	0.917_	0.887_
NWIDF K = 1	2.18_	2.032_	1.801_	0.973_	0.819_	0.807_
NWIDF K = 2	2.123_	2.012_	1.776_	0.939_	0.843_	0.812_