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The GRAIL concept modelling language for medical terminology
A L Rector1, S Bechhofer, C A Goble
1GALEN Project, Department of Computer Science University of Manchester, UK. rector@cs.man.ac.uk
Artificial Intelligence in Medicine
|February 1, 1997
Summary
The GALEN Representation and Integration Language (GRAIL) supports medical terminology models and clinical user interfaces. Its successes and limitations inform future knowledge representation languages for clinical concepts.
Area of Science:
- Medical Informatics
- Knowledge Representation
- Clinical Terminology
Background:
- The GALEN Representation and Integration Language (GRAIL) was developed to facilitate clinical user interfaces and reusable medical terminology models.
- GRAIL has been instrumental in developing the GALEN Common Reference (CORE) model and in projects like GALEN and PEN&PAD.
Purpose of the Study:
- To describe and motivate the GRAIL language.
- To provide examples of the modeling paradigm supported by GRAIL.
- To highlight GRAIL's role in defining requirements for clinical knowledge representation languages.
Main Methods:
- GRAIL utilizes description logic or frame-based features.
- It incorporates novel features for part-whole and transitive relations.
- Supports a modeling style focused on reusability and application independence.
Main Results:
- GRAIL has been successfully applied in developing medical terminology models and clinical user interfaces.
- The language clarified requirements for effective clinical concept representation.
- Despite successes, GRAIL has limitations in expressiveness and semantic grounding.
Conclusions:
- GRAIL's practical successes and identified limitations provide a foundation for future, more expressive knowledge representation languages.
- The experience with GRAIL is expected to guide the development of next-generation clinical concept modeling tools.
- Future languages will aim for greater expressiveness and more robust semantic foundations based on GRAIL's lessons.