Christian Bizer Jens Lehmann Georgi Kobilarov Sören Auer Christian Becker Richard Cyganiak Sebastian Hellmann DBpedia - A crystallization point for the Web of Data. 154-165 2009 7 J. Web Sem. 3 http://dx.doi.org/10.1016/j.websem.2009.07.002 db/journals/ws/ws7.html#BizerLKABCH09