E. Pinheiro, W. Weber, und L. Barroso. Proceedings of the 5th USENIX Conference on File and Storage Technologies, Seite 2--2. Berkeley, CA, USA, USENIX Association, (2007)
V. Spitkovsky, H. Alshawi, und D. Jurafsky. Proceedings of the Conference on Empirical Methods in Natural Language Processing, Seite 1269--1280. Stroudsburg, PA, USA, Association for Computational Linguistics, (2011)