@inproceedings{Modjeska6,
  author = "Massimo Poesio and Natalia N. Modjeska",
  title = "The THIS-NP hypothesis: A corpus-based investigation",
  booktitle = "Proceedings of the 4th Discourse Anaphora and Anaphor Resolution Conference (DAARC 2002)",
  pages = "157--162",
  address = "Lisbon, Portugal",
  month = "September",
  year = "2002",
  abstract = "We report on an analysis of the use of THIS-NPs, i.e., noun
              phrases with the determiner <I>this</I> and the demonstrative pronouns
              <I>this</I> and <I>these</I>. We test the THIS-NP hypothesis, a
              refinement and clarification of earlier proposals, such as (Linde,
              1979; Gundel, Hedberg, and Zacharski, 1993; Passonneau, 1993), by way
              of a systematic analysis of the uses of these NPs in two different
              genres.  In order to do this, we devised a reliable annotation scheme
              for classifying THIS-NPs in our corpus as <I>active</I> or not, in the
              sense of the hypothesis.  92% of THIS-NPs in our corpus were
              classified as referring to entities which are active in this sense.
              We tested three formalizations of the THIS-NP hypothesis. The version
              that received most empirical support is the following: THIS-NPs are
              used to refer to entities which are <I>active</I> but not the
              <I>backward-looking center of the previous utterance</I>.",
  download = "http://ftp.cs.toronto.edu/pub/gh/poesio-modjeska.pdf"
}