... and information-based methods, e.g. pointwise mutual information (Church & Hanks 1990). Several studies of the performance of lexical association metrics suggest significant room for improvement, ... Proceedings of the 43rd Annual Meeting of the ACL, pages 605–613,Ann Arbor, June 2005.c2005 Association for Computational LinguisticsA Nonparametric Method for Extraction of Candidate Phrasal ... general level of performance was low, with precision falling off rapidly as larger portions 605 of the n-best list were included, but they report better performance with statistical and information...