<?xml version="1.0" encoding="UTF-8"?> <rdf:RDF xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"> <owl:Class rdf:about="http://kmi.open.ac.uk/projects/smartproducts/ontologies/food.owl#DefaultIngredientPortion"> </owl:Class> <owl:Class rdf:about="http://kmi.open.ac.uk/projects/smartproducts/ontologies/food.owl#FoodOrDrinkSubstance"> </owl:Class> <owl:Class rdf:about="http://kmi.open.ac.uk/projects/smartproducts/ontologies/food.owl#Nutrient"> </owl:Class> <owl:Class rdf:about="http://kmi.open.ac.uk/projects/smartproducts/ontologies/food.owl#NutrientPortion"> </owl:Class> <owl:Class rdf:about="http://kmi.open.ac.uk/projects/smartproducts/ontologies/generic.owl#PhysicalQuantity"> </owl:Class> <owl:Class rdf:about="http://kmi.open.ac.uk/projects/smartproducts/ontologies/generic.owl#PhysicalQuantityUnit"> </owl:Class> </rdf:RDF>
<?xml version="1.0" encoding="UTF-8"?>
<rdf:RDF xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#">
  <owl:Class rdf:about="http://kmi.open.ac.uk/projects/smartproducts/ontologies/food.owl#DefaultIngredientPortion">
  </owl:Class>
  <owl:Class rdf:about="http://kmi.open.ac.uk/projects/smartproducts/ontologies/food.owl#FoodOrDrinkSubstance">
  </owl:Class>
  <owl:Class rdf:about="http://kmi.open.ac.uk/projects/smartproducts/ontologies/food.owl#Nutrient">
  </owl:Class>
  <owl:Class rdf:about="http://kmi.open.ac.uk/projects/smartproducts/ontologies/food.owl#NutrientPortion">
  </owl:Class>
  <owl:Class rdf:about="http://kmi.open.ac.uk/projects/smartproducts/ontologies/generic.owl#PhysicalQuantity">
  </owl:Class>
  <owl:Class rdf:about="http://kmi.open.ac.uk/projects/smartproducts/ontologies/generic.owl#PhysicalQuantityUnit">
  </owl:Class>
</rdf:RDF>