RE: ISSUE-144 - OWL-Time - missing interval relations

Thanks Chris.

Merged and ISSUE-144 closed


From: Little, Chris [mailto:chris.little@metoffice.gov.uk]
Sent: Thursday, 9 March, 2017 04:33
To: Cox, Simon (L&W, Clayton) <Simon.Cox@csiro.au>; public-sdw-wg@w3.org
Subject: RE: ISSUE-144 - OWL-Time - missing interval relations

Simon,

I understand the reasons and support this closing of logical loopholes.

Chris

(Mathematical in- jokes about Lebesgues Integration suppressed)

From: Simon.Cox@csiro.au<mailto:Simon.Cox@csiro.au> [mailto:Simon.Cox@csiro.au]
Sent: Wednesday, March 08, 2017 6:13 AM
To: Simon.Cox@csiro.au<mailto:Simon.Cox@csiro.au>; public-sdw-wg@w3.org<mailto:public-sdw-wg@w3.org>
Subject: RE: ISSUE-144 - OWL-Time - missing interval relations

I’ve received no comments on this proposed enhancement.
If no objections, I will merge tomorrow.

From: Simon.Cox@csiro.au<mailto:Simon.Cox@csiro.au> [mailto:Simon.Cox@csiro.au]
Sent: Monday, 27 February, 2017 09:08
To: public-sdw-wg@w3.org<mailto:public-sdw-wg@w3.org>
Subject: [ExternalEmail] ISSUE-144 - OWL-Time - missing interval relations

I implemented
:intervalDisjoint (Allen & Ferguson 1997)
:intervalIn (Allen 1984)
Given OWL2 lack of expressiveness around union-of-properties, I did it by making

            :intervalAfter, :intervalBefore each sub-properties of :intervalDisjoint
            :intervalStarts, :intervalFinishes, :intervalDuring each sub-properties of :intervalIn

And added documentation to the text to match.

While I was at it I made reverse inverseOf relations and domain and range of all :interval* properties explicit, so we are not relying solely on OWL entailments.

Implemented in the branch https://github.com/w3c/sdw/tree/simon-time-interval-relations

Pull request https://github.com/w3c/sdw/pull/580


Please review.

Simon J D Cox
Research Scientist
Environmental Informatics
CSIRO Land and Water<http://www.csiro.au/Research/LWF>

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