期刊
JOURNAL OF CLINICAL MEDICINE
卷 8, 期 7, 页码 -出版社
MDPI
DOI: 10.3390/jcm8070999
关键词
natural language processing; ontology; artificial intelligence; multiple myeloma; real world evidence
资金
- University Hospital Wurzburg
- Wilhelm Sander Foundation
- Else-Kroner-Fresenius Foundation
- Bristol-Myers Squibb
- Otsuka Pharmaceuticals Europe
- German Research Foundation (DFG)
- University of Wurzburg
- Free State of Bavaria
Background: Natural language processing (NLP) is a powerful tool supporting the generation of Real-World Evidence (RWE). There is no NLP system that enables the extensive querying of parameters specific to multiple myeloma (MM) out of unstructured medical reports. We therefore created a MM-specific ontology to accelerate the information extraction (IE) out of unstructured text. Methods: Our MM ontology consists of extensive MM-specific and hierarchically structured attributes and values. We implemented A Rule-based Information Extraction System (ARIES) that uses this ontology. We evaluated ARIES on 200 randomly selected medical reports of patients diagnosed with MM. Results: Our system achieved a high F1-Score of 0.92 on the evaluation dataset with a precision of 0.87 and recall of 0.98. Conclusions: Our rule-based IE system enables the comprehensive querying of medical reports. The IE accelerates the extraction of data and enables clinicians to faster generate RWE on hematological issues. RWE helps clinicians to make decisions in an evidence-based manner. Our tool easily accelerates the integration of research evidence into everyday clinical practice.
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