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christianbuck / nlu

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Make sure appositives in coref are handled properly #8

Open nschneid opened 11 years ago

nschneid commented 11 years ago

The Stanford coref tool seems to be marking the base NP as coreferent with a larger NP containing the appositive. Probably want to just mark the appositive separately.

nschneid commented 11 years ago

Relatedly: with a copula predication between two nominals, the copulas and coref modules interact to produce a concept whose :domain is itself. Should probably avoid marking such things as coreferent, but it's unclear whether a coreference categories (like appositive vs. anaphora) are available from the Stanford tool.

nschneid commented 11 years ago

Hacky solution in coref: look for :domain links before merging members of coreference clusters.

nschneid commented 11 years ago

In "stanford_coref" for wsj_0003.19:

      [
        "University of Vermont College of Medicine", 
        47, 
        53
      ], 
      [
        "the University", 
        46, 
        48
      ]
    ],

Is this a problem in the coref extraction (beyond appositives)?