Sebastian Hellmann Claus Stadler Jens Lehmann Sören Auer DBpedia Live Extraction. 1209-1223 2009 OTM Conferences (2) http://dx.doi.org/10.1007/978-3-642-05151-7_33 conf/otm/2009-2 db/conf/otm/otm2009-2.html#HellmannSLA09