... word1 __, __ _word2 , __ _word1 word2 , word1 ___ word3 , and word1 word2 ___.2 Table 1 lists the standard lexical association measures tested in section four3. The logical evaluation method for phrasal ... regardless of which word fills the context. The rank ratio (RR) for the word given the context can then be defined as: RR (word, context) = ()( ),,ER word contextAR word context where ... 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,...