| http://www.w3.org/ns/prov#value | - But with the subselect method, you can avoid the second query (converting ids into objects), and I think the database has a fair chance of optimizing the query with a subselect.There is also another issue with your proposed solution: at least on some databases, there is a limit to the amount of id's you can put into a where blabla in (...) criterion.
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