... Proceedings of the 47th Annual Meeting of the ACL and the 4th IJCNLP of the AFNLP, pages 306–314,Suntec, Singapore, 2-7 August 2009.c2009 ACL and AFNLP The Contribution of Linguistic Features to ... systems.For instance, Table 2 shows the best 10 met-rics in CE05 according to their correlation withhuman judges at the system level, and then the ranking they obtain in the AE05 testbed. Thereare ... in the figure). How-ever, again, the combining metric ULC achieves the same reliability as the best n-gram based met-ric.310 In order to check the robustness of these results,we computed the...