D. Ramage, D. Hall, R. Nallapati, and C. Manning. Proceedings of the 2009 Conference on Empirical Methods in Natural Language Processing: Volume 1 - Volume 1, page 248--256. Stroudsburg, PA, USA, Association for Computational Linguistics, (2009)
L. Schmidt-Thieme. Proceedings of the 5th IEEE International Conference on Data Mining (ICDM 2005), 27-30 November 2005, page 378-385. Houston, Texas, USA, IEEE Computer Society, (2005)