@conference {HervasGervasChallenge07, title = {NIL: Attribute Selection for Matching the Task Corpus Using Relative Attribute Groupings Obtained from the Test Data}, booktitle = {First NLG Challenge on Attribute Selection for Generating Referring Expressions (ASGRE), UCNLG+MT Workshop, Machine Translation Summit XI}, year = {2007}, month = {09/2007}, address = {Copenhagen, Denmark}, attachments = {http://nil.fdi.ucm.es/sites/default/files/HervasGervasChallenge07.pdf}, author = {Herv{\'a}s, Raquel and Pablo Gerv{\'a}s} }