Using Factual Density to Measure Informativeness of Web Documents Christopher Horn author Alisa Zhila author Alexander Gelbukh author Roman Kern author Elisabeth Lex author 2013-05 text Proceedings of the 19th Nordic Conference of Computational Linguistics (NODALIDA 2013) Stephan Oepen editor Kristin Hagen editor Janne Bondi Johannessen editor Linköping University Electronic Press, Sweden Oslo, Norway conference publication horn-etal-2013-using https://aclanthology.org/W13-5621/ 2013-05 227 238