Visibility problem

http://dbpedia.org/resource/Visibility_problem

rdf:langString Visibility problem
xsd:integer 1444029
xsd:integer 105871102
xsd:nonNegativeInteger 35
<http://dbpedia.org/resource/Visibility_(geometry)>
<http://dbpedia.org/resource/Visibility_(geometry)>
<http://en.wikipedia.org/wiki/Visibility_problem?oldid=105871102&ns=0>
<http://en.wikipedia.org/wiki/Visibility_problem>

data from the linked data cloud