J. Kanter, und K. Veeramachaneni. Data Science and Advanced Analytics (DSAA), 2015. 36678 2015. IEEE International Conference on, Seite 1--10. IEEE, (2015)
M. Hearst. Proceedings of the 14th Conference on Computational Linguistics - Volume 2, Seite 539--545. Stroudsburg, PA, USA, Association for Computational Linguistics, (1992)