D. Koller, and M. Sahami. Proceedings of the 14th International Conference on Machine Learning (ML), Nashville, Tennessee,July 1997, page 170--178. (1997)
T. Elsayed, J. Lin, and D. Oard. Proceedings of the 46th Annual Meeting of the Association for Computational Linguistics on Human Language Technologies: Short Papers, page 265--268. Stroudsburg, PA, USA, Association for Computational Linguistics, (2008)
D. Kim, C. Park, J. Oh, S. Lee, and H. Yu. Proceedings of the 10th ACM Conference on Recommender Systems, page 233--240. New York, NY, USA, ACM, (2016)