Related Experiment Video
Updated: May 24, 2026
A Metadata Extraction Approach for Clinical Case Reports to Enable Advanced Understanding of Biomedical Concepts
Published on: September 20, 2018
Transforming Annotated Clinical Narratives into Pruned Interoperable Knowledge Graphs with SNOMED CT
Amila Kugic1, Markus Kreuzthaler1, Stefan Schulz1
1Institute for Medical Informatics, Statistics and Documentation, Medical University of Graz, Austria.
Introduction:
Clinical narratives are difficult to process due to unstructured text, abbreviations, and jargon, which limit semantic interoperability. Converting them into knowledge graphs (KGs) and pruning SNOMED CT enables focused, interoperable representations without losing essential information.
Methods:
KGs were built from the n2c2 2019 dataset using SNOMED CT and UMLS to model concept relationships. Subgraphs were merged, redundancies removed, and interoperability enforced via mappings to ICD-10-CM, RxNorm, and LOINC. Non-interoperable or disconnected nodes were pruned, and experts evaluated pruning quality.
Results:
Radical pruning improved interoperability but often removed contextual detail. Context-aware pruning preserved clinically meaningful structures while producing compact, semantically rich KGs suitable for downstream NLP tasks.
Conclusion:
The approach enables interoperable, pruned KGs from clinical narratives, with future work focusing on hybrid pruning and clinical NLP applications.
More Related Videos
07:35A Knowledge Graph Approach to Elucidate the Role of Organellar Pathways in Disease via Biomedical Reports
Published on: October 13, 2023
05:47Evidence-based Knowledge Synthesis and Hypothesis Validation: Navigating Biomedical Knowledge Bases via Explainable AI and Agentic Systems
Published on: June 13, 2025
Related Concept Videos
01:27Nursing Clinical Information System
A Nursing Clinical Information System (NCIS) is a specialized type of healthcare information system tailored to meet the unique needs of nursing practice. It incorporates the principles of nursing informatics to streamline information management and improve the quality of care delivery.
Critical attributes of NCIS include:
01:28Formats for Nursing Documentation
Nursing Assessment Form:
• A nursing assessment form is a foundational document that captures detailed patient data from physical assessments and nursing histories.
• It includes patient demographics, medical history, current medications, vital...
01:29Issues And Trends In Healthcare Delivery System
Cost Containment
Payment for healthcare services has historically promoted adoption of costly and often unnecessary or inefficient...