Biomedical Ontologies and Terminologies: Understanding the Differences Between Terminologies, Classifications, Taxonomies, and Ontologies
Human Language
Expressions in Systems
Pre-Computational Examples
Human Authority Files
Computer Requirements
Formalization Gap
Cooperative Computation
Understanding (Computer Processible) Vocabularies
A Meta-Terminolgy
Desirable Attributes
URU Criteria
Entry Vocabulary
Hierarchies
Relationships
Understanding the Differences
Terminology
Classification
Taxonomy
Thesaurus
Ontology
Description Logic
Difficulties for Ontologies
Duality of Central Notions
Boundary Phenomenon
Nelson's Lemma
Formal Definition Problem
Understanding MeSH
Key Notions
Reproducible
Parts of MeSH
A New Data Structure
Attributes at Each Level
Example: Exercise
What Makes a Vocabulary Useful
Summary
Email: nelson@nlm.nih.gov
Home Page: http://www.nlm.nih.gov/mesh/