Hi!
I am happy to announce a new tool [1], written by
Serge Stratan,
which allows you to browse the taxonomy (subclass of & instance of
relations) between Wikidata's most important class items. For
example, here is the Wikidata taxonomy for Pizza (discussed recently
on this list):
Very nice! One specially interesting to me is cycle detection - I just
discovered there are many (as in, hundreds) cycles in various important
properties such as P131 which break a lot of queries, and was wondering
what could be done to expose/eliminate those better.
--
Stas Malyshev
smalyshev(a)wikimedia.org