Question
a.
Ontologies are always complete and cover all domain vocabularies.
b.
Users cannot change the ontology once it's established.
c.
To adapt to changing vocabularies and cater to omissions in the ontology.
d.
On-the-fly extensions are only needed for non-technical users.
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Q. Why is it important to support "on the fly" extension of the ontology during query formulation?
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