: In Sweden, it is part of a Uniform Resource Name (URN) (urn:nbn:se:lnu:diva-121828) for a thesis or paper on improving API documentation accessibility from Linnaeus University.

: It is a document ID for research published by the Qatar Foundation concerning web-based learning in the GCC states. Establishment Higham Ferrers Junior School

: The number appears in SEC filings (specifically Form 8-K dated 11/04/2020) with the document ID 0001104659-20-121828 .