Semantically Enhanced Pronouns

This paper revisits the relationship between the form of referring expressions and the assumed salience of their referents. Previous work suggests that pronouns must refer to highly salient discourse entities, while descriptive noun phrases should be used to refer to less salient items. Our claim is that the referring expression itself is only part of this relationship, since it is not the only constituent that contributes semantic constraints that bear on its referent. Semantic constraints can be contributed by additional constituents, and such Semantically Enhanced pronouns may coherently refer to less salient entities, even entities not previously mentioned in the