2010-01-13: Developmental Method

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1. Specification Phase: Identifies intended use, reasoning requirements, and scope of ontologies in the

application. Missing initial requirements in this phase would result in developing insufficient ontologies and is a waste of time and money.

1. Conceptualization Phase: Structures the knowledge of the domain of interest as meaningful models at the

knowledge level. This phase strongly depends on a good strategy for knowledge acquisition.

1. Formalization Phase: Transforms the conceptual model (i.e. the result from the conceptualization phase)

into a formal or semi-formal model.

1. Implementation Phase: Implements the ontology in a formal language.
2. Maintenance Phase: Updates and corrects ontologies, which includes possibilities for feedback and

versioning.

Three side activitieis: Three side-activities are relevant throughout the whole development process: Knowledge Acquisition, Evaluation and Documentation