Review Article
Survey of Authentication and Authorization for the Internet of Things
Table 2
Number of articles processed in the survey.
| Indexer | Results | Prefiltered | Relevant |
| IEEE Xplore | 120 | 29 | 15 | ACM DL | 84 | 9 | 7 | WoS | 67 | 31 | 13 | SpringerLink | 33 | 8 | 6 | ScienceDirect | 27 | 9 | 2 |
| Total | 331 | 86 | 43 |
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