This is a basic demo about how to use and compile multiple packages into the same knowledge base. The basic scenario is described [here|Doc Package#Using multiple Packages for the same knowledge base or ontology]. The common package and more specifics for this demo are described [here|Multi-Package Demo]. !Defining the package As before, we add this page to the package {{japan}} %%Package japan !Adding knowledge !Compiling and testing the resulting knowledge base %%KnowledgeBase Life expectancy calculator (Japan) @uses: lifeExpectancy @uses: japan %