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RE: OWL-Time - Individual months, standard temporal durations

From: <Simon.Cox@csiro.au>
Date: Mon, 20 Feb 2017 02:49:57 +0000
To: <public-sdw-wg@w3.org>
CC: <chris.little@metoffice.gov.uk>
Message-ID: <3d27377fbe7e42f58aec36030c74ccbe@exch1-mel.nexus.csiro.au>
I propose to accept the changes described below and committed to the branch mentioned.

This also affects ISSUE-124 because it will reverse the proposal to deprecate :Year, instead elaborating the definition and providing definitions for the other standard durations alongside.

If I hear no objections by the end of the week will proceed to merge the spec and ontology, and close the issues.

From: Cox, Simon (L&W, Clayton)
Sent: Sunday, 12 February, 2017 23:11
To: 'public-sdw-wg@w3.org' <public-sdw-wg@w3.org>
Cc: chris.little@metoffice.gov.uk
Subject: OWL-Time - Individual months, standard temporal durations

ISSUE-141, ISSUE-142

I have updated the ontology files and the specification document, adding

-          The months January...December as individuals of the class MonthOfYear, following the pattern of DayOfWeek, but in a new namespace http://www.w3.org/ns/time-gregorian/

o   :MonthOfYear is also a subClassOf DateTimeDescription with all properties suppressed except :month and the unitType fixed to :unitMonth

-          Adding the durations Second, Minute, Hour, Data, Week, Month to the existing Year, following its pattern

o   Also making them all subclasses of Duration as well

This is a simplification from earlier proposals. January...December are only individuals now, not classes.

The draft OWL-Time spec document has been updated to incorporate these changes.

All in the branch
https://github.com/w3c/sdw/tree/simon-time-individuals
with a pull-request to merge into gh-pages.
https://github.com/w3c/sdw/pull/552

Enjoy.


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

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Received on Monday, 20 February 2017 02:50:50 UTC

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