Datasets Activity Stream About Order by Relevance Name Ascending Name Descending Last Modified Go 2 datasets found Groups: Coreference Resolution Formats: JSON Filter Results CoNLL-03, CoNLL-04, ACE-05, and CoNLL-12 datasets The dataset used in the paper for named entity recognition, end-to-end relation extraction, and coreference resolution. Dataset JSON OntoNotes OntoNotes is a dataset of annotated text, containing 15,000 documents, each with 5-10 annotated sentences. Dataset JSON