LRDC: Learning Resource Diffusion Based on Credibility for Computer-Supported Collaborative Learning

Table 8

The effect of transmission speed on message delivery success rate.

Algorithm/transmitSpeed (kb/s)	12.5	25	50	87.5	125	187.5	250	Average success rate	Relative promotion ratio (%)
LRDC	0.441	0.735	0.882	0.912	0.941	0.941	0.941	0.828	0
DirectDeliver	0.324	0.324	0.353	0.353	0.353	0.353	0.353	0.345	140
Epidemic	0.412	0.735	0.882	0.941	0.941	0.941	0.941	0.828	0
FirstContact	0.412	0.588	0.677	0.647	0.618	0.647	0.647	0.605	36.9
SprayAndWait	0.435	0.653	0.753	0.853	0.853	0.853	0.853	0.75	10.4
Average relative promotion ratio (%)									46.83