About a decade ago I tried to create an alternative to Google, using the Dewey Decimal System to group web domains by subject matter. My vision was that the website was a library, and domains were individual books. Rankings were a mixture of domain reputation and cultural significance.
The OCLC is very protective of their IP, and likes to sue.
Needless to say, my project was shut down before even getting off the ground.
I’m working on reviving the project, under a new classification system (The Open Categorization System), and would love any help I can get.
The project can be found here: https://github.com/ki4jgt/Open-Catalog-System


One idea that I think would be neat would be to expand it beyond written texts. For example: https://chewydecimalsystem.org/
I am somewhat biased in this regard too though, while physical location has to be tied to a singular thing, with digital mapping tag systems, even better if they are scalable, make for much more accurate catalogs.
For example the arch wiki is a reference source, but of what info? Hierachical stacking helps but falls apart when now the gaming sections of the arch wiki can’t be found next to the Windows gaming sections because they are isolated by OS instead of by gaming, or you are digging through every OSs collection of gaming information when you do have an OS specific question.