Topic on Talk:Wikibase/Indexing/RDF Dump Format

According to the site this query should result true:

ASK { wd:Q2 a wikibase:Item }

But it results in false. It this a bug? Is there any other way to check is a entity is an item?

Wikibase/Indexing/RDF Dump Format#WDQS data differences

Thanks, I oversaw this section. Is there any other way to check if an entity is an item (not an property, lemma, etc.) in a query?

It may be unrealiable but I would do ASK { wd:Q2 wikibase:sitelinks [] }.