D. Dicheva, and C. Dichev. Proceedings of 2010 IEEE/WIC/ACM International Conference on Web Intelligence and Intelligent Agent Technology, page 631--638. (2010)
M. Koolen, S. Kumpulainen, and L. Melgar-Estrada. Proceedings of the 2020 Conference on Human Information Interaction and Retrieval, page 183-192. ACM, (March 2020)
S. Bloehdorn, and A. Hotho. Proceedings of the MSW 2004 workshop at the 10th ACM SIGKDD Conference on Knowledge Discovery and Data Mining, page 70-87. (August 2004)
A. Sieg, B. Mobasher, and R. Burke. Proceedings of the sixteenth ACM conference on Conference on information and knowledge management, page 525--534. New York, NY, USA, ACM, (2007)
S. Bloehdorn, P. Cimiano, A. Hotho, and S. Staab. LDV Forum - GLDV Journal for Computational Linguistics and Language Technology, 20 (1):
87-112(May 2005)
B. Hoser, A. Hotho, R. Jäschke, C. Schmitz, and G. Stumme. Proceedings of the 3rd European Semantic Web Conference, volume 4011 of LNCS, page 514-529. Budva, Montenegro, Springer, (June 2006)