RE: OWL Time Ontology update

Dear Iacopo,

Thank you for this even more useful information, confirming backward compatibility.

Best of luck for a successful defence/viva voce.

Chris 

> -----Original Message-----
> From: VAGLIANO IACOPO [mailto:d034466@polito.it]
> Sent: Thursday, May 04, 2017 5:57 PM
> To: Little, Chris; public-sdw-comments@w3.org
> Cc: Simon.Cox@csiro.au
> Subject: Re: OWL Time Ontology update
> 
> Dear Chris,
> 
> I am sorry for the delay in answering, I am preparing my PhD defense.
> Thank you for your feedback and your interest.
> 
> In my case, the changing should not have any impact. I have extended
> time:ProperInterval for some classes I have introduced, while for
> common time parameters as year, month, etc. I am referring to
> time:Interval withouth any assumpion, thus the change should be
> transparent.
> 
> About the relaxed constraints on some properties, I don't see any
> adverse consequences in the main application scenarios I had in mind.
> However, my view is limited since I focus on recommender systems, and I
> am not an expert ontology designer.
> 
> Best regards,
> 
> Iacopo
> 
> 
> On Thu, 13 Apr 2017 09:00:45 +0000
>   "Little, Chris" <chris.little@metoffice.gov.uk> wrote:
> > Dear Iacopo,
> >
> > Thank you for this very useful information.
> >
> > We will not extend the OWL Time ontology because it has a small,
> >tight, scope and there are so many extension that people desire.
> >
> > Please bear in mind that one of the purposes of the revision of the
> >Ontology was to allow and support extensions including to non-
> Gregorian
> >calendars.
> >
> > Is your re-use and extension work affected by the deprecated
> elements?
> > (time:DateTimeInterval - use time:ProperInterval instead,
> >  time:Year - replaced by time:unitYear,
> >  time:January - replaced by greg:January)
> >
> > If modification is necessary, is it straightforward to modify your
> >extensions to work correctly?
> >
> > Practices in ontology engineering have evolved since the original
> 2006
> >version of the ontology. One concern is the use of global  constraints
> >on properties (domain, range) versus local constraints
> >(owl:Restriction). The revised ontology relaxes the constraints on
> >some properties from the original ontology, and we would be interested
> >in hearing if there are any adverse consequences.
> >(time:hasBeginning,  time:hasEnd,
> >time:hasDurationDescription)
> >
> > We look forward to your response with interest.
> >
> > Best wishes, Chris
> >
> >
> > Chris Little
> > Chair, OGC Temporal Domain Working Group
> >
> > IT Fellow - Operational Infrastructures  Met Office  FitzRoy Road
> >Exeter  Devon  EX1 3PB  United Kingdom
> > Tel: +44(0)1392 886278  Fax: +44(0)1392 885681  Mobile:
> >+44(0)7753 880514
> > E-mail: chris.little@metoffice.gov.uk http://www.metoffice.gov.uk

> >
> > I am normally at work Tuesday, Wednesday and Thursday each week
> >
> >
> >
> >
> >
> >> -----Original Message-----
> >> From: VAGLIANO IACOPO [mailto:d034466@polito.it]
> >> Sent: Monday, April 10, 2017 9:45 AM
> >> To: public-sdw-comments@w3.org
> >> Subject: OWL Time Ontology update
> >>
> >> Dear all,
> >>
> >> I reused and extended the Time Ontology in the Recommender System
> >>Context
> >> (RSCtx)
> >> ontology [1, 2]. In my use case, it was useful also to have some
> >>"symbolic"
> >> time such us the part
> >> of the day (morning, afternoon, etc.) or if a day is a weekend or
> >>weekday.
> >> Additionally,
> >> the season could also be of interest. These concepts may also be
> >>useful  in other scenarios.
> >> In [2] the use of RSCtx is described.
> >>
> >> Best regards,
> >>
> >> Iacopo Vagliano
> >>
> >> [1] http://softeng.polito.it/rsctx/

> >> [2] https://fedcsis.org/proceedings/2016/pliks/428.pdf
> >>
> >>
> >> --
> >> Iacopo Vagliano
> >> Ph.D. Student
> >>
> >> Dip. Automatica e Informatica
> >> Politecnico di Torino
> >> Corso Duca degli Abruzzi, 24
> >> 10129 Torino, ITALY
> >>
> >> Phone: +39 0110907087
> >> Web: http://softeng.polito.it/vagliano/

> >> --
> >>
> >
> 
> --
> Iacopo Vagliano
> Ph.D. Student
> 
> Dip. Automatica e Informatica
> Politecnico di Torino
> Corso Duca degli Abruzzi, 24
> 10129 Torino, ITALY
> 
> Phone: +39 0110907087
> Web: http://softeng.polito.it/vagliano/

> --

Received on Friday, 5 May 2017 15:48:01 UTC