CIA World Fact Book (2003) Ontology 1 1 1 1 1 1 intended to be subclassed for each country 1 1 abstract base for classes associating categorizing a value by some other index (percentage, count, etc.) 1 life expectancy at birth military branches 1 political pressure groups judicial branch diplomatic representation in/from US age structure merchant marine executive branch 1 exchange rates HIV/AIDS legislative branch environment - international agreements 1 national holiday political parties 1 1 1 1 abstract base for common instances that are referred to by multiple Countries 1 1