Thanks! There is indeed some noise and messy data as well as some questionable categorisations, all taken from wikipedia&#x2F;dbpedia&#x2F;wikidata. See this blogpost ( <a href="http:&#x2F;&#x2F;nodegoat.net&#x2F;blog.s&#x2F;14&#x2F;a-wikidatadbpedia-geography-of-violence" rel="nofollow">http:&#x2F;&#x2F;nodegoat.net&#x2F;blog.s&#x2F;14&#x2F;a-wikidatadbpedia-geography-of...</a> ) for a full description of how we got the data.