user manual
A little manual to help you doing what you want to.
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RDF are triple (predicat, object, subject). A RDF file is a graph, a lot of tripl connecting togheter. It's the root of Semantic Web.
A schema is used to define a graph. Which type of element exists and which properties they have.
<?xml version="1.0" encoding="utf-8"?>
<rdf:RDF
xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
xmlns:rdfs="http://www.w3.org/2000/01/rdf-schema#"
xml:base="http://www.example.org">
<rdfs:Class rdf:ID="Animal">
<rdfs:label>Animal</rdfs:label>
<rdfs:comment>An animal</rdfs:comment>
</rdfs:Class>
<rdfs:Property rdf:ID="eat">
<rdfs:comment>What does it eat ?</rdfs:comment>
<rdfs:domain rdf:resource="#Animal" />>
<rdfs:range rdf:resource="http://www.w3.org/2000/10/XMLSchema#string" />
</rdfs:Property>
</rdf:RDF>
Above you have an animal who eats something. This is very trivial. Now you can extend the animal class to set (for example) : birds, reptiles, humans, ... and add properties to subclasses to specialize them.