Shoaib Jameel, Wai Lam, Xiaojun Qian, Ching-man Au Yeung. An unsupervised technical difficulty ranking model based on conceptual terrain in the latent space. In Karim B. Boughida, Barrie Howard, Michael L. Nelson, Herbert Van de Sompel, Ingeborg Sølvberg, editors, Proceedings of the 12th ACM/IEEE-CS Joint Conference on Digital Libraries, JCDL '12, Washington, DC, USA, June 10-14, 2012. pages 351-352, ACM, 2012. [doi]
Abstract is missing.