Re: [sdw] intervalDuring can really compare the values of two date time stamps

> if anyone knows the operation like "intervalDuring" can really compare the values, or they are just the conceptions

They are just concepts. Operations to implement these must be done using another language. I'm very pleased to see that you are trying to do this with SWRL. It will be a significant challenge to get this right _in general_ as you need to account for all the different representations of the position of a `time:Instant`. 


I see some a possible problem in your data, unless it is deliberately elided. `:hasBeginning` is axiomatized as follows: 
  rdf:type owl:ObjectProperty ;
  rdfs:domain :TemporalEntity ;
  rdfs:range :Instant ;
Your data says `interval1: hasBeginning begin1` but it is unclear if :begin1 is structured as a `time:Instant`. 

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Received on Monday, 30 July 2018 04:36:48 UTC