... (Charniak, 2001) For these reasons, we prefer enriching the syntactic dependencies by information from the left context However, as mentioned in (Roark, 2001), one way of conditioning the probabilities ... under the richer syntactic tags Since the treebank parses allow us to annotate parent information onto the constituents, as Johnson did in (Johnson, 1998), this richer predictive annotation can ... annotation can extend information slightly beyond the left context Under the equivalence classification in Eq.( 2, 3, 4), the conditional information available to the SLM model components is made up...