Discussion
..................... are the characteristics of ontology.
(i) It is a controlled vocabulary tool.
(ii) It allows multiple choice of entries.
(iii) It can be created using high level software programs.
(iv) It does not provide definitions.
Answer: D
The characteristics of an ontology are (i), (ii) & (iii).
An ontology is a formal, explicit specification of the concepts in a domain and the relationships between them. Like a thesaurus it controls the vocabulary of a field (i); it allows a concept to be reached and related through several entries and relationships (ii); and it is created and maintained with software tools and languages such as Protege and OWL (iii).
Statement (iv) is false: an ontology does define its concepts, with their properties and relations, which is what makes it more than a word list. Every option including (iv) is therefore wrong.
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