GEM
• XML
• Hierarchy of > 100 elements
• Models heterogeneous information
• Has been used successfully for:
Guideline quality appraisal (GEM-Q)
Feedback to developers (Extractor)
Partial generation of MLMs (GEM-Arden)
Creating database of NGC guidelines
• DTD adopted as standard by ASTM (E2210-02)
The Guideline Elements Model (GEM)