Notice! The data is not ready after downloaded. Follow the instructions to create *.v2_auto_conll and *.v2_gold_conll files.Difference between .*_auto_conll and .*_gold_conll: from Xiao Cheng:
auto_conll uses parser's parse tree and gold_conll uses human annotated parse tree. Both have the same gold mentions ( thus auto_conll might have some gold mention not being a NP due to parser error )About singletons: from Durrett and Klein (2013): "Singletons are always removed before evaluation because the OntoNotes corpus does not annotate them" (CoNLL-2011 and 2012 are part of OntoNotes).
- ↑ Pradhan, S., Ramshaw, L., Marcus, M., Palmer, M., Weischedel, R., & Xue, N. (2011). CoNLL-2011 Shared Task: Modeling Unrestricted Coreference in OntoNotes. In Proceedings of the Fifteenth Conference on Computational Natural Language Learning: Shared Task (pp. 1–27). Association for Computational Linguistics.
- ↑ Pradhan, S., Moschitti, A., Xue, N., Uryupina, O., Zhang, Y.: CoNLL-2012 shared task: Modeling multilingual unrestricted coreference in ontonotes. In: Joint Con- ference on EMNLP and CoNLL-Shared Task, pp. 1–40. Association for Computa- tional Linguistics (2012)
- ↑ Durrett, G., & Klein, D. (2013). Easy victories and uphill battles in coreference resolution. EMNLP ’13, (October), 1971–1982.
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