... obufined by the ~ contained in the existing grammar ~ (2) the Parsing ,,H~ of pmmmicm m l the parsed dmalm~ m am evolving grammar In order to cimmmvem these problems, a su~-gy of skeleum parsing ... g Grammar Ob = operator ~ of, or ending with, a form o f / ~ , Od ffi operator consisting of, or ending with, a form of ~ Oh operator ~ of, or ending with, a form of the verb hart, V ffi main ... some of the running words Disambiguafion is achieved by invoking one-step probabilities of tag pair E_~kelihoods exmtaed from a previously tagged training corpus and upgrading or downgrading likelihoods...