R. Wetzker, W. Umbrath, и A. Said. Proceedings of the WSDM '09 Workshop on Exploiting Semantic Annotations in Information Retrieval, стр. 25--29. New York, NY, USA, ACM, (2009)
R. Wetzker, C. Zimmermann, C. Bauckhage, и S. Albayrak. Proceedings of the third ACM international conference on Web search and data mining, стр. 71--80. New York, NY, USA, ACM, (2010)
R. Wetzker, W. Umbrath, и A. Said. ESAIR '09: Proceedings of the WSDM '09 Workshop on Exploiting Semantic Annotations in Information Retrieval, стр. 25--29. New York, NY, USA, ACM, (2009)
R. Wetzker, W. Umbrath, и A. Said. ESAIR '09: Proceedings of the WSDM '09 Workshop on Exploiting Semantic Annotations in Information Retrieval, стр. 25--29. New York, NY, USA, ACM, (2009)