@article {8,
	title = {Summarization System Evaluation Revisited: N-gram Graphs},
	journal = {ACM Transactions on Speech and Language Processing},
	volume = {5},
	year = {2008},
	month = {00/2008},
	type = {Natural language processing},
	doi = {http://doi.acm.org/10.1145/1410358.1410359},
	author = {G. Giannakopoulos and Vangelis Karkaletsis and G. Vouros and P. Stamatopoulos}
}
