Development of a Rule-Based Knowledge Base for Digitalization of Standard Operating Procedures on Radiotherapy in Breast Cancer
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Background
Traditional text-based standard operating procedures (SOPs) present limitations in today’s data-rich environment, being static and difficult to query. We developed a rule-based knowledge base to overcome these challenges through digitalization of SOPs on breast cancer radiotherapy.
Methods
We created a web application with a relational database structured around Common Data Elements (CDEs), a rule-based inference engine, and a responsive user interface. The system was tested with nine radiation oncologists over 14 months to evaluate information retrieval success.
Results
The knowledge base incorporated 8 main topics, 31 subtopics, 103 information entries, and references to 48 clinical trials and 65 publications. During testing, 56.5% of queries were successful, while analysis of unsuccessful queries revealed most information was available but inaccessible due to user-experience issues.
Conclusion
Our rule-based knowledge base demonstrates the feasibility of transforming static SOPs into interactive, evidence-linked resources. While promising, substantial user experience barriers remain. Future enhancements should prioritize user-interface improvements, sustainable knowledge-updating mechanisms, and AI integration to strengthen the system for practical use.
