Pastra, K. , & Saggion, H. (Συγγρ.). (2003). Colouring summaries BLEU. Στο Proceedings of the EACL 2003 Workshop on Evaluation Initiatives in Natural Language Processing: are evaluation methods, metrics and resources reusable? (σσ 35–42). Association for Computational Linguistics. http://www.csri.gr/files/publications/EACL03wsh-pastra.pdf