On 12/7/13 6:52 PM, Timothy Lebo wrote:
DBPedia,The following query for the number of universities in each country is a bit “ugly”. For example, 1) Countries are identified with URIs or Strings, and the same country is identified in many different ways. 2) The country “20” has three universities :-) I’m not very familiar with the workflow that DBPedia has, but I’m curious what I could do to fix the results as “upstream” as possible. Is there a “how to help” page somewhere that I could read? Or, could someone provide me a few pointers to get started? Thanks for your consideration. Regards, Tim Lebo http://dbpedia.org/sparql {{{ prefix dbpedia: <http://dbpedia.org/resource/> prefix dbo: <http://dbpedia.org/ontology/> prefix dbp: <http://dbpedia.org/property/> select ?country count(distinct ?university) as ?count where { ?university dbo:type dbpedia:Public_university optional{?university dbp:country ?country} } group by ?country order by desc(?count) }}} Query results: http://bit.ly/1brlE6z
Tim, dbp: is a legacy namespace for properties. dbo: is the current namespace for properties. Thus, you would be looking at something like: http://bit.ly/1iNlwE1 . -- Regards, Kingsley Idehen Founder & CEO OpenLink Software Company Web: http://www.openlinksw.com Personal Weblog: http://www.openlinksw.com/blog/~kidehen Twitter Profile: https://twitter.com/kidehen Google+ Profile: https://plus.google.com/+KingsleyIdehen/about LinkedIn Profile: http://www.linkedin.com/in/kidehen
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