Aspects as Editing Context: A Widget for the WebProtégé OWL Editor
Addition of the assertion "Berlin is capital of Germany". This axiom is true under a temporal aspect (valid from 1990 until now). It is also affected by a provenance aspect, since the author has looked up this bit of information in the Wikipedia. Both aspects have been separately modeled before and are now pre-loaded in Web Protégé where they can be selected as editing contexts..