| A color range is defined by two colors "from" and "to". Roles "to" and "from" are symmetric. |
| owl:ObjectProperty |
ObjectProperty(oilspills:rangingFromColor annotation(rdfs:comment "A color range is defined by two colors "from" and "to". Roles "to" and "from" are symmetric."^^<http://www.w3.org/2001/XMLSchema#string>)
domain(oilspills:ColorRange)
range(oilspills:Color))