To build an ontology, ontology developers should devise first a concrete plan for the
ontology development, that is, they should establish the ontology life cycle. To do this,
ontology developers should answer two key questions: a) which ontology life cycle model is
the most appropriate for their ontology project? and b) which particular activities should be
carried out in their ontology life cycle? In this paper we present a set of guidelines to help
ontology developers and also naïve users answer such questions
