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Re: [sdw] Draft W3C note with additional temporal relations (#1139)

From: Adam Shepherd via GitHub <sysbot+gh@w3.org>
Date: Sat, 20 Jul 2019 10:08:21 +0000
To: public-sdwig@w3.org
Message-ID: <issue_comment.created-513454844-1563617299-sysbot+gh@w3.org>
Hi Jano,
I haven’t used OWL-Time extensively. Do you a see a situation where the order would be useful to explicitly state so as not to rely on sorting the date/time values themselves?

Cheers, Adam

> On Jul 20, 2019, at 3:05 AM, kjano <notifications@github.com> wrote:
> 
> Hi Adam,
> 
> Just one brief comment. The solution below would not preserve the order 
> of the aggregates directly (e.g., compared to a list).
> 
> Best,
> Jano
> 
> On 7/20/19 1:56 AM, Adam Shepherd wrote:
> >
> > Hey folks, there's a group of data repositories interested in 
> > publishing a temporal extent that expresses a seasonal coverage across 
> > multiple years. Rather, they want to express that data was collected 
> > in an aggregate of multiple intervals.
> >
> > The use case for an extension to OWL-Time for this case is driven by 
> > search precision and recall. For example if the data were collected in 
> > June, July and August across the years 2012 to 2015, a temporal 
> > interval extending from 2012 to 2015 would hit as a match for a search 
> > looking for data between January 2013 and May 2013 which would be 
> > wrong in this case.
> >
> > In discussions with @dr-shorthair <https://github.com/dr-shorthair> , 
> > he recommended a small extension of one class and one property:
> >
> > |time:TemporalAggregate rdf:subClassOf time:TemporalEntity . 
> > time:hasMember a owl:ObjectProperty; rdfs:domain 
> > time:TemporalAggregate ; rdfs:range time:TemporalEntity . |
> >
> > With this aggregate class, we can express a collection of Temporal 
> > entities that explicitly describes the collection activity.
> >
> > Thoughts?
> >
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> -- 
> Krzysztof Janowicz
> 
> Geography Department, University of California, Santa Barbara
> 4830 Ellison Hall, Santa Barbara, CA 93106-4060
> 
> Email: jano@geog.ucsb.edu
> Webpage: http://geog.ucsb.edu/~jano/
> Semantic Web Journal: http://www.semantic-web-journal.net
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Received on Saturday, 20 July 2019 10:08:23 UTC

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