# Survey on RNN and CRF models for de-identification of medical free text

> Research article (Journal Of Big Data, 2020) · cited 43× · AI/ML

**Wikidata**: [openalex:W3083683925](https://www.wikidata.org/wiki/openalex:W3083683925)  
**Source**: https://4ort.xyz/entity/survey-on-rnn-and-crf-models-for-de-identification-of-medical-free-text