#  Count the occurrence of last names in VIVO

SELECT ?lastname (Count(distinct ?uri) as ?n)
WHERE {
  ?uri a ufVivo:UFCurrentEntity .
  ?uri a foaf:Person .
  ?uri obo:ARG_2000028 ?vcard .
  ?vcard vcard:hasName ?name .
  ?name vcard:familyName ?lastname .
}
GROUP BY ?lastname
ORDER BY DESC(?n)