Paper: CoNLL-2012 Shared Task: Modeling Multilingual Unrestricted Coreference in OntoNotes

ACL ID W12-4501
Title CoNLL-2012 Shared Task: Modeling Multilingual Unrestricted Coreference in OntoNotes
Venue International Conference on Computational Natural Language Learning
Session shared task
Year 2012
Authors

The CoNLL-2012 shared task involved pre- dicting coreference in English, Chinese, and Arabic, using the final version, v5.0, of the OntoNotes corpus. It was a follow-on to the English-only task organized in 2011. Un- til the creation of the OntoNotes corpus, re- sources in this sub-field of language process- ing were limited to noun phrase coreference, often on a restricted set of entities, such as the ACE entities. OntoNotes provides a large- scale corpus of general anaphoric coreference not restricted to noun phrases or to a spec- ified set of entity types, and covers multi- ple languages. OntoNotes also provides ad- ditional layers of integrated annotation, cap- turing additional shallow semantic structure. This paper describes the OntoNotes annota- tion (coreference and other layers) a...