Table 1.
Author keywords and index keywords
| Terms | Author Keywords | Index Keywords | ||
|---|---|---|---|---|
| Percentage | Ranking | Percentage | Ranking | |
| 5G | 1.09% | 20 | 2.01% | 21 |
| Advanced Analytics | 0% | 22 | 17.06% | 9 |
| Artificial Intelligence | 3.28% | 15 | 11.37% | 14 |
| Big Data | 30.87 | 3 | 32.78% | 4 |
| Blockchain | 1.37% | 19 | 0.33% | 23 |
| Cloud Computing | 5.19% | 12 | 6.69% | 17 |
| Cyber-physical Systems | 17.76% | 7 | 18.06% | 8 |
| Data Analytics | 43.17% | 2 | 77.59% | 1 |
| Data Mining | 1.91% | 17 | 6.35% | 18 |
| Decision Making | 4.64% | 14 | 21.74% | 6 |
| Deep Learning | 2.73% | 16 | 3.34% | 20 |
| Digital Twin | 5.46% | 11 | 6.02% | 19 |
| Embedded Systems | 0% | 22 | 19.73% | 7 |
| Industry 4.0 | 63.93% | 1 | 58.86% | 2 |
| Internet of Things | 23.77% | 5 | 29.1% | 5 |
| Learning Systems | 0.55% | 21 | 11.71% | 13 |
| Machine Learning | 9.29% | 8 | 8.7% | 15 |
| Maintenance | 7.92% | 9 | 14.72% | 11 |
| Manufacturing | 28.69% | 4 | 47.83% | 3 |
| Predictive Analytics | 7.1% | 10 | 15.72% | 10 |
| Prescriptive Analytics | 1.37% | 18 | 1% | 22 |
| Smart Factory | 18.03% | 6 | 14.38% | 12 |
| Supply Chain | 4.92% | 13 | 8.7% | 16 |