Distinct objects for predicate foaf:mbox in graph https://cliopatria.swi-prolog.org/packs/cluster_search sorted by frequency

ResourceCount
<mailto:Jacco.van.Ossenbruggen@cs.vu.nl>1
<mailto:c.r.dijkshoorn@vu.nl>1
<mailto:j.wielemaker@cs.vu.nl>1