Tootfinder

I am looking for a website which existed a couple of years ago and listed use cases for #MachineLearning. Next to each use case, papers solving the task were listed including the f1 score or other success metrics.
It was extremely useful to see which approaches can be applied to each use case like document classification, image recognition,

Does someone know how to hide the "Unknown" and "Ignore" sections from the Thumbnails view in the face recognition feature of Digikam?
Or at least put them at the bottom of the view?
I mean I ignore those faces for a reason, why do they need to be at the top?
In addition, how can you view the albums as a collection of thumbnails instead of a tree? I can assign an image as the album's thumbnail but it is basically useless because it is so tiny.
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