Questions about Time Ontology

Dear Time Ontology Working Group,

I am working at present with your time ontology in owl for the purpose of my studies and I couldn't figure out some questions:

1. Why has the property "inside" the domain of the class "interval" und the range of the class "instant". Shouldn't it be the other way around in the sence that an instant is inside an interval and not an interval is inside an instant?

2. Why has the Property "hasDurationDescription" a domain of "TemporalEntity" and not a domain of "Interval", because the Duration of an "Instant" is alway zero, so why giving it this property via inheritance? 

I am working with the version I found here:
http://www.isi.edu/~pan/damltime/time.owl

Yours sincerely
Wiebke Wagner 


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Received on Friday, 15 June 2007 07:17:32 UTC