File contents

<?xml version="1.0"?>
<rdf:RDF
    xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
    xmlns:xsd="http://www.w3.org/2001/XMLSchema#"
    xmlns:rdfs="http://www.w3.org/2000/01/rdf-schema#"
    xmlns:owl="http://www.w3.org/2002/07/owl#"
    xmlns="http://oostethys.org/onts/20080116/ioos_vars.owl#"
   xml:base="http://oostethys.org/onts/20080116/ioos_vars.owl">

   <owl:Ontology rdf:about="">
      <rdfs:comment>IOOS Core Variables 2008 from: http://ioos.noaa.gov/program/products_next.html</rdfs:comment>
   </owl:Ontology>
   <owl:Class rdf:ID="Core_Variable"/>
  
   <owl:Class rdf:ID="Seawater_Temperature">
     <rdfs:label>Seawater Temperature</rdfs:label>
      <rdfs:subClassOf rdfs:about="Core_Variable"/>
    </owl:Class>
    
    <owl:Class rdf:ID="Salinity">
     <rdfs:label>Salinity</rdfs:label>
      <rdfs:subClassOf rdfs:about="Core_Variable"/>
    </owl:Class>
    
    <owl:Class rdf:ID="Water_Level">
     <rdfs:label>Water_Level</rdfs:label>
      <rdfs:subClassOf rdfs:about="Core_Variable"/>
    </owl:Class>
    
    <owl:Class rdf:ID="Currents">
     <rdfs:label>Currents</rdfs:label>
      <rdfs:subClassOf rdfs:about="Core_Variable"/>
    </owl:Class>
    
    <owl:Class rdf:ID="Ocean_Color">
     <rdfs:label>Ocean Color</rdfs:label>
      <rdfs:subClassOf rdfs:about="Core_Variable"/>
    </owl:Class>
</rdf:RDF>