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Stanford Named Entity Recognizer

Stanford Reference:



This software is a Java implementation of a Conditional Random Field sequence model, together with well-engineered features for Named Entity Recognition (NER). This software comes with trained models for English.

The CRFClassifier is available for download for non-commercial use under the GNU GPL at If you would like a commercial license, please contact Imelda Oropeza at or 650-725-9039.


  • Jenny Rose Finkel, Trond Grenager, and Christopher Manning. 2005. Incorporating Non-local Information into Information Extraction Systems by Gibbs Sampling. Proceedings of the 43rd Annual Meeting of the Association for Computational Linguistics (ACL 2005), pp. 363-370.

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Imelda Oropeza, Licensing Associate
650-725-9039 (Business)

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