P. Dolog, N. Henze, W. Nejdl, and M. Sintek. Proceedings of the 13th International World Wide Web Conference on Alternate Track Papers &Amp; Posters, page 170--179. New York, NY, USA, ACM, (2004)
P. Dolog, N. Henze, W. Nejdl, and M. Sintek. Proceedings of the 13th international World Wide Web conference on Alternate track papers & posters, page 170--179. New York, NY, USA, ACM, (2004)