Maik Anderka, Benno Stein, and Nedim Lipka. Proceedings of the 20th ACM international conference on Information and knowledge management, page 2313--2316. New York, NY, USA, ACM, (2011)
Maik Anderka, Benno Stein, and Nedim Lipka. Proceedings of the 20th ACM international conference on Information and knowledge management, page 2313--2316. New York, NY, USA, ACM, (2011)