I am a PhD student and I am working on building a dataset for my PhD research that requires some DBpedia’s class instances. However I came across a problem retrieving some of the classes instances where nothing is being retrieved.
This an example of a query that returns result https://api.triplydb.com/s/15PORDPP
this one does not https://api.triplydb.com/s/0H3TmeVP.
So I had this issue with some classes that are relevant to my method such as AcademicSubject, State, Province, District, Celebrity, Zoo, MovieDirector.