K. McKeown, R. Passonneau, D. Elson, A. Nenkova, and J. Hirschberg. Proceedings of the 28th Annual International ACM SIGIR Conference on Research and Development in Information Retrieval, page 210-217. Salvador, Brazil, ACM Press, (2005)
H. Jing, R. Barzilay, K. McKeown, and M. Elhadad. Proceedings of the Spring Symposium on Intelligent Text Summarization (AAAI 98), page 60-68. Stanford, CA, (March 1998)