The following types of contribution to Nature Portfolio journals are peer-reviewed: Articles, Letters, Brief Communications, Matters Arising, Technical Reports, Analysis, Resources, Reviews ...
This is where the fractals come into play. As you can see from the chart, waves i, iii and v move in the direction of the trend. But, you can further break down waves i, iii and v into substructures ...
At major computer-science publication venues, up to 17% of the peer reviews are now written by artificial intelligence. We need guidelines before things get out of hand.