USP-EACH Frequency-based Greedy Attribute Selection for Referring Expressions Generation Diego Jesus de Lucena author Ivandré Paraboni author 2008-06 text Proceedings of the Fifth International Natural Language Generation Conference Michael White editor Crystal Nakatsu editor David McDonald editor Association for Computational Linguistics Salt Fork, Ohio, USA conference publication de-lucena-paraboni-2008-usp https://aclanthology.org/W08-1135/ 2008-06 219 220