Re: SKOS Shuttle 2.2.6 available as RDF Composer

The measure and the unit do not have to fit into the same RDF value. You
can use a blank node and then use QUDT to encode the unit:

  [ qudt:unit unit:IN ;
    qudt:value 8.55 ]

http://qudt.org
http://qudt.org/vocab/unit/IN


Martynas
atomgraph.com



On Tue, Dec 20, 2016 at 10:40 AM, Fabio Ricci <fabio.ricci@semweb.ch> wrote:

> Dear Neil
>
> thank you for writing, and it seems that I have put a finger on weak spot
> … regarding the units subject (sorry!), and thank you for the nice
> narration.
> Nevertheless I need to point out, that the current lack of units in RDF is
> not an inherent problem of RDF, nor it does not require a quad (see below),
> but I see it as a temporary (maybe … political?) problem, because W3C seems
> to have decided until today *not* to provide units of measure for a value,
> as you promptly remarked here. From the representational point of view,
> this need would be solved by simply define the unit of measure into the
> value type expression like (hypothetically)
>
> "8.55^^" <http://www.w3.org/2016/XMLSchema#*inches*> or even
> "8.55^^" <http://www.oilit.com/2016/XMLSchema#*inches*>
>
> … having again the triple and not the quad.
>
> So, please let separate a still incomplete type / units standard
> definition from a tool which seems to offer a (currently) unique set of
> features around RDF.
>
> Kind regards / Meilleures salutations / Freundliche Grüsse
> *Fabio Ricci*
>
> semweb
> Semantic Web Technologies · Records Management
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>
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>
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>
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> On 20 Dec 2016, at 10:02, Neil McNaughton <neilmcn@oilit.com> wrote:
>
> Fabio,
>
> That’s not so good for engineering style reasoning as in trying to see if
> a valve will fit into a particular place or use. This is a recurring
> problem with RDF triple modeling – there are not enough places in a triple
> to put all the information you need to qualify a dimension. A *valve*
> hasproperty *height* AND inunits *centimeters*. A quad already.
> Of course it can be done – but requires more mapping which AKAIK is done
> idiosyncratically with every author adopting his/her own approach.
> For some (amusing I hope) background to this issue see my March 2004 Oil
> IT Journal editorial A Million Miles of Spaghetti are Eaten Every Day
> <http://www.oilit.com/2journal/4php/4_rebuild_center_frameset.php?item=load_article&2dyear=04&2dmonth=03&artno=3http://www.oilit.com/2journal/4php/4_rebuild_center_frameset.php?item=load_article&2dyear=04&2dmonth=03&artno=3>.
>
>
> Best regards
> Neil McNaughton - @neilmcn <http://www.twitter.com/neilmcn>
> Editor and Publisher, Oil IT Journal
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>
>
>
> *From:* Fabio Ricci [mailto:fabio.ricci@semweb.ch <fabio.ricci@semweb.ch>]
>
> *Sent:* Monday, December 19, 2016 7:47 PM
> *To:* Neil McNaughton <neilmcn@oilit.com>
> *Cc:* semantic-web@w3.org; public-lod@w3.org
> *Subject:* Re: SKOS Shuttle 2.2.6 available as RDF Composer
>
> In case your question was: "How do I recognise what unit measure the
> attributes are” the answer is:
> In the current release You have to name the attribute to have the measure
> directly in its name, for instance instead of “Diameter” you take
> “DiameterInches”.
>
> Thank you for your question
>
> Kind regards / Meilleures salutations / Freundliche Grüsse
> *Fabio Ricci*
>
>
> *sem**web*
>
>
>
>
> Semantic Web Technologies · Records Management
> Software systems · ICT coaching · ICT Projects leading
> *https://semweb.ch* <https://ch.semweb.ch/>
> *https://skosshuttle.ch* <https://skosshuttle.ch/>
> *https://rdflink.ch* <https://rdflink.ch/>
> Weinmanngasse 26
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>
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>
> *Confidentiality Warning*: This message and any attachments are intended
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>
> On 19 Dec 2016, at 19:43, Fabio Ricci <fabio.ricci@semweb.ch> wrote:
>
> Diameter and Height are psd:decimal value and is encoded using
> https://www.w3.org/TR/xmlschema11-2/#decimal
>
> So the RDF value will be "8.55"^^<http://www.w3.org/2001/XMLSchema#decimal
> >
>
> Kind regards / Meilleures salutations / Freundliche Grüsse
> *Fabio Ricci*
>
>
>
> *sem**web*
>
>
>
>
> Semantic Web Technologies · Records Management
> Software systems · ICT coaching · ICT Projects leading
> *https://semweb.ch* <https://ch.semweb.ch/>
> *https://skosshuttle.ch* <https://skosshuttle.ch/>
> *https://rdflink.ch* <https://rdflink.ch/>
> Weinmanngasse 26
> CH-8700 Küsnacht ZH (Switzerland)
> *Tel.*
> +41 (076) 5281961 <+41%2076%20528%2019%2061>
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>
> *semweb-llc*
>
> *Confidentiality Warning*: This message and any attachments are intended
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>
> On 19 Dec 2016, at 19:01, Neil McNaughton <neilmcn@oilit.com> wrote:
>
> “Diameter 8.55” 8.55 what – feet, meters … how do you encode the units?
>
> Best regards
> Neil McNaughton
> info@oilit.com
> Editor and Publisher, Oil IT Journal
> Public website – www.oilit.com
> Cell - +336 7271 2642 <+33%206%2072%2071%2026%2042>
>
>
>
> *From:* Fabio Ricci [mailto:fabio.ricci@semweb.ch <fabio.ricci@semweb.ch>]
>
> *Sent:* Monday, December 19, 2016 6:54 PM
> *To:* semantic-web@w3.org; public-lod@w3.org
> *Subject:* SKOS Shuttle 2.2.6 available as RDF Composer
>
> Dear Community
>
> I am proud to announce here that SKOS Shuttle has reached per today a
> further degree of maturity.
> With Release 2.2.6 SKOS Shuttle permits to create SKOS networks enhanced
> as follows:
>
> 1) Integrating OWL classes at concept level (inherit all OWL class data
> properties)
> 2) Allowing creation of Custom attributes at concept level according to
> values in https://www.w3.org/TR/xmlschema11-2/
> 3) Allowing (symmetrical) Custom Relations to link concepts (finally
> allowing special constructs like "part-of”)
> 4) Inserting SPARQL-UPDATE stuff (minor feature) in SPARQL tab
> 5) Editing coloured RDF statements in the appropriate tab.
>
> *De facto SKOS Shuttle has become per 2016 an RDF composer.*
> See a (really) tiny example in https://skosshuttle.ch/gen/
> images/skspiston.png
>
> SKOS Shuttle is free to use (inside a fixed resource extent), educational
> institutes gets the “silver”Tarif for free.
>
> Thank you all and have all a nice Christmas Time and a better New Year
> 2017!
>
> Kind regards / Meilleures salutations / Freundliche Grüsse
> *Fabio Ricci*
>
> *sem**web*
>
>
> Semantic Web Technologies · Records Management
> Software systems · ICT coaching · ICT Projects leading
> *https://semweb.ch* <https://ch.semweb.ch/>
> *https://skosshuttle.ch* <https://skosshuttle.ch/>
> *https://rdflink.ch* <https://rdflink.ch/>
> Weinmanngasse 26
> CH-8700 Küsnacht ZH (Switzerland)
> *Tel.*
> +41 (076) 5281961 <+41%2076%20528%2019%2061>
> +39 (389) 0681334 <+39%20389%20068%201334>
> *Skype:*
>
> *semweb-llc*
>
> *Confidentiality Warning*: This message and any attachments are intended
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> from your system. Thank you.
>
>
>