| Parameter | Parameter definition |
| b | The total number of social network users at the beginning. |
| d | The rate of the social network users becomes inactive to the rumor. |
| k | Proportionality constant. |
| μ | The rate of the spreader become the aware. |
| r | The rate of the aware become the spreader due to the social environment around them. |
| α | The saturated rates. |