Illinois Named Entity Tagger

This is a state of the art NER tagger that tags plain text with named entities. The newest version tags entities with either the "classic" 4-label type set (people / organizations / locations / miscellaneous), while the most recent can also tag entities with a larger 18-label type set (based on the OntoNotes corpus). It uses gazetteers extracted from Wikipedia, word class models derived from unlabeled text, and expressive non-local features. The best performance is 90.8 F1 on the CoNLL03 shared task data.


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