命名实体识别CoNLL2003
CoNLL 2003 data
https://www.clips.uantwerpen.be/conll2003/ner/
CoNLL 2003 (English)
The CoNLL 2003 NER task consists of newswire text from the Reuters RCV1
corpus tagged with four different entity types (PER, LOC, ORG, MISC). Models are evaluated based on span-based F1 on the test set.