| Phrases | Frequency |
| Information and Communication Technology | 95 |
| Information and Communication Technologies | 89 |
| Purpose of This Paper | 87 |
| Small and Medium Sized | 57 |
| Internet of Things IOT | 49 |
| China’s Digital Economy | 37 |
| State of the Art | 31 |
| Digital Economy and Society | 29 |
| Purpose of This Study | 28 |
| Originality Value This Study | 25 |