We study the cases where a 9Recall that even the Keller and Lapata ( 2003 ) system , built on the world 's largest corpus , achieves only 34 % recall ( Table 1 ) ( with only 48 % of positives and 27 % of all pairs previously observed , but see Footnote 5 ) .
using the web to obtain frequencies for unseen bigrams
Frank Keller Mirella Lapata
Finally , we evaluate DSP on a common application of selectional preferences : choosing the correct antecedent for pronouns in text ( Dagan and Itai , 1990 ; Kehler et al. , 2004 ) . We study the cases where a 9Recall that even the Keller and Lapata ( 2003 ) system , built on the world 's largest corpus , achieves only 34 % recall ( Table 1 ) ( with only 48 % of positives and 27 % of all pairs previously observed , but see Footnote 5 ) . pronoun is the direct object of a verb predicate , v .
We study the cases where a 9Recall that even the @@CITATION system , built on the world 's largest corpus , achieves only 34 % recall ( Table 1 ) ( with only 48 % of positives and 27 % of all pairs previously observed , but see Footnote 5 ) .