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"http://ontobio.org/molecule.xsd#elementTypeType"/>





ANSWER TO
EXERCISE4.2
Using the ontology in the sample answer above, nitrous oxide would be the
following:












ANSWER TO
EXERCISE4.3
The bio sequence attributes can be interpreted as properties as follows:

  1. element_idThis is the identifier of the bio sequence, so it should be the
    URI of the resource. So it corresponds to therdf:IDproperty.

  2. sequence_idThis is another identifier, but it was not declared to be
    of typeIDso it is probably a reference to a URI in some other location.
    Accordingly, it is interpreted as a functional property.

  3. organism_nameThis is a name so it will be interpreted as a string-valued
    property.

  4. seq_lengthThis is a length so it will be interpreted as a numerical prop-
    erty.

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