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Re: How should I represent time in OWL in this case?

From: Jose María Alvarez Rodríguez <chema.ar@gmail.com>
Date: Thu, 23 Feb 2012 17:22:57 +0100
Message-ID: <CABv_SBj_fd1WvY2Z-jv-ZfxvJrf6P3D9zFtCVCEG5EjBVp+1Vw@mail.gmail.com>
To: "Hector G. Ceballos" <ceballos@itesm.mx>
Cc: Miao Chen <viviny@gmail.com>, public-owl-dev@w3.org
Hi all,

you can also use: http://reference.data.gov.uk/doc/gregorian-interval. Take
a look to RDF data cube vocabulary [2] and the examples about intervals [3].

Excellent regards,

[2]
http://publishing-statistical-data.googlecode.com/svn/trunk/specs/src/main/html/cube.html
[3]
http://reference.data.gov.uk/doc/gregorian-interval/2004-01-01T00:00:00/P3Y

On Thu, Feb 23, 2012 at 4:56 PM, Hector G. Ceballos <ceballos@itesm.mx>wrote:

> Hi,****
>
> I’ve used the Time Ontology in OWL (http://www.w3.org/TR/owl-time/),
> which has a complete set of concepts and properties. ****
>
> ** **
>
> A personal recommendation is using a naming convention for instances that
> reflect the date and time contained on it. For instance, the individual of
> your example might be called myOntology:datetime_20100502_150000 which
> would optimize information storage and recovery.****
>
> ** **
>
> Best regards,****
>
> Hector G. Ceballos****
>
> Tecnologico de Monterrey****
>
> ** **
>
> *From:* Miao Chen [mailto:viviny@gmail.com]
> *Sent:* Wednesday, February 22, 2012 7:15 PM
> *To:* public-owl-dev@w3.org
> *Subject:* How should I represent time in OWL in this case?****
>
> ** **
>
> Hi,****
>
> ** **
>
> I'm developing an ontology about weather forecast, which will contain some
> temporal information. I'm building my ontology based on some existing XML
> files, in other words, trying to represent and convert the XML elements to
> ontology OWL style. Here is my questions:****
>
> ** **
>
> in the XML files, there is some elements about time, for example****
>
> ** **
>
> <SingleDateTime>****
>
>   <caldate>20100502</caldate>****
>
>    <time>150000</time>****
>
> </SingleDateTime>****
>
> ** **
>
> These elements describe the date and time of the forest. In my ontology,
> I'd like to say ****
>
> myOntology:forecast externalOntology:hasTime externalOntology:timeInstant*
> ***
>
> * *
>
> Is there some common practice in expressing this statement? I found
> ontologies like SWRL temporal ontology and the SWEET (Semantic Web for
> Earth and Environmental Terminology) ontology have classes and properties
> for temporal expressions, while I'm not sure what's the appropriate
> practice in the community. Which existing temporal ontology
> classes/properties are more frequently used?****
>
> ** **
>
> I'd appreciate your suggestions. Thank you for your help!****
>
> Miao****
>



-- 
Jose María Alvarez Rodríguez
PhD (ABD) & Assistant Professor
Grupo WESO-Departamento de InformáticaEdificio Facultad de CienciasUniversidad
de Oviedo
C/ Calvo Sotelo, s/n
33007-OVIEDO (Asturias)
Tlfno: +34 985103397
WWW: www.josemalvarez.es
Skype: josem.alvarez
Twitter: @wesoviedo
Received on Thursday, 23 February 2012 16:23:25 GMT

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