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Brain Informatics
Fig. 1 | Brain Informatics

Fig. 1

From: Cerebrovascular disease case identification in inpatient electronic medical record data using natural language processing

Fig. 1

NLP-based CeVD detection framework using EMR data. It consists of manual chart review, data preprocessing, featurization, and model training, development, and validation. FPR represents three acute care facilities in Calgary, Foothills Medical Centre, Peter Lougheed Centre and Rockyview General Hospital; NER represents Named Entity Recognition (NER), a subtask of NLP that seeks to identify named objects from free-text; CUI represents Concept Unique Identifiers which map synonyms to a unique identifier; BOW represents bag of words; TF-IDF represents term frequency and inverse document frequency

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