@article{siddharthan-etal-2011-information, title = "Information Status Distinctions and Referring Expressions: An Empirical Study of References to People in News Summaries", author = "Siddharthan, Advaith and Nenkova, Ani and McKeown, Kathleen", journal = "Computational Linguistics", volume = "37", number = "4", month = dec, year = "2011", address = "Cambridge, MA", publisher = "MIT Press", url = "https://aclanthology.org/J11-4007/", doi = "10.1162/COLI_a_00077", pages = "811--842" }