About: http://dbpedia.org/resource/Refractions

Property	Value
is dbpedia-owl:Software/developer of	dbpedia:GeoServer dbpedia:PostGIS
is dbpedia-owl:developer of	dbpedia:GeoServer dbpedia:PostGIS
is dbpprop:developer of	dbpedia:GeoServer

About: http://dbpedia.org/resource/Refractions_Research