Hi Michel, Thank you very much for the quick reply!
Sorry didn't express my issue clearly. Yes, I actually want two things: 1. adding unit info 2. being able to create user-defined fixed standard values. Seems your answer helped with the first issue. I have been never known there is this ontology about unit of measure! Seems very useful! Though, I tried to import "http://qudt.org/2.0/vocab/unit/space-and-time/"; into TBC, it failed. The error log says: failed to inspect, could not complete import. Do you have any idea why it is so? As to the second issue, I still have no clue.... 在 2017年10月25日星期三 UTC+8下午7:16:56，Bohms, H.M. (Michel)写道： > > > > Maybe consider an approach to define simply > > > > A weight datatypeproperty with range a datatype unit:gram (from e.g. > qudt2.0) as datatype > > > > Ex: > > @prefix unit: <http://qudt.org/2.0/vocab/unit/space-and-time/> . > > > > qudt:Unit > > rdfs:subClassOf rdfs:Datatype ; > > . > > > > simple:height > > rdf:type owl:DatatypeProperty ; > > rdfs:range unit:M ; > > . > > > > simple:Bridge_1 > > rdf:type simple:Bridge ; > > cmo:hasDirectPart simple:Deck_1 ; > > simple:currentlyServingVehicle simple:Vehicle_1 ; > > simple:height "50.0"^^unit:M ; > > . > > > > If not good enough turn to classes where you can attach the unit info > other than via datatype and/or instantiate reference enumerated items > > (it’s not fully clear to me what you main issue is: adding unit info or > being able to deal with fixed standard values, or both…) > > > > Gr michel > > > > > > > > > > Dr. ir. H.M. (Michel) Böhms > Senior Data Scientist > > T +31888663107 > M +31630381220 > E [email protected] <javascript:> > > Location > <https://www.google.com/maps/place/TNO+-+Locatie+Delft+-+Stieltjesweg/@52.000788,4.3745183,17z/data=!3m1!4b1!4m5!3m4!1s0x47c5b58c52869997:0x56681566be3b8c88!8m2!3d52.000788!4d4.376707> > > > > <http://www.tno.nl/> > > This message may contain information that is not intended for you. If you > are not the addressee or if this message was sent to you by mistake, you > are requested to inform the sender and delete the message. TNO accepts no > liability for the content of this e-mail, for the manner in which you use > it and for damage of any kind resulting from the risks inherent to the > electronic transmission of messages. > > > > > > > > > > *From:* [email protected] <javascript:> [mailto: > [email protected] <javascript:>] *On Behalf Of * > [email protected] <javascript:> > *Sent:* woensdag 25 oktober 2017 12:38 > *To:* TopBraid Suite Users <[email protected] <javascript:>> > *Subject:* Re: [topbraid-users] Re: question: how to create a > user-defined datatype? > > > > Hi all, > > > > I've read this whole thread, but hasn't found useful info for my issue. > > > > I want to define a datatype as follows: > > 0. It will be the range of datatype property called "hasWeight", defined > by myself; > > 1. I will name this datatype as "WeightOfProduct"; > > 2. It has two attributes: weight, unit of measure; > > 3. An instance of this datatype would be: 39gm. > > > > I plan to apply it in the following case: > > [Kit Kat Value Pack12Plus2] -(hasWeight) -> 1400gm > > > > Can anyone instruct me on building it? > > > > Thanks very much! > > 在 2017年7月3日星期一 UTC+8上午8:51:15，Holger Knublauch写道： > > Hi Paul, > > I am afraid such OWL enumeration datatypes are not well supported right > now. And we don't plan to add further support for these OWL 2 datatypes in > general. I believe they have not lived up to expectations and are not > widely used. Maybe it has to do with the fact that most users would expect > to have something like "active"^^xsd:string. Moving forward, we plan to > cover this use case with SHACL (sh:in). > > For scenarios such as yours, many people use instances, e.g. define a > class cti:ObjectStatus with three instances cti:active etc, and then an > owl:oneOf to enumerate those instances. Would this be an option? > > Regards, > Holger > > On 3/07/2017 7:40, Paul Patrick wrote: > > This is similar to what I've been trying to do as well and have gotten > close but clearly am missing a step. > > > > What I'm trying to do is define a user-defined data type that I can use as > the datatype for a Range, but it based on a enumeration. I can't define it > on the predicate directly as I use this same value for a number of > different predicates. So I'm trying to defined a new user-type that could > be the range of the predicate. > > > > I think I've gotten close based on the following code below, but when I > look at an instance serialized, I see the data type of the selected value > is string xsd:string. With a suspicion that it was the value followed by > ^^xsd:string, I went into Source Code view in TopQuadrant and changed the > "xsd:string" to by datatype "cti:ObjectStatusVocab". > > > > cti:ObjectStatusVocab > > a rdfs:Datatype ; > > rdfs:comment "Defines the vocabulary that d...@en-US > <javascript:> ; > > rdfs:label "Object Status Vocabulary"@en-US ; > > rdfs:subClassOf rdfs:Resource ; > > owl:onDatatype xsd:string ; > > owl:oneOf ( "active"^^xsd:string "deprecated"^^xsd:string > "revoked"^^xsd:string ) . > > > > That seemed to work. With this I got the serialization I was looking for: > > > > <subject_id> <http://example.com/cti#ObjectStatus "active"^^ > <http://example.com/cti#ObjectStatusVocab> > <http://example.com/cti#ObjectStatusVocab> . > > > > So I then tried to do it in the Form view, but it didn't like the > ["active"^^cti:ObjectStatusVocab","deprecated"^^cti:ObjectStatusVocab, > "revoked"^^cti:ObjectStatusVocab] so still trying to figure out if I'm just > doing something wrong or if I've got to use the Source Code view because > the Form view doesn't let one enter in anything except primitive types. > > > > Can anyone tell me if I'm doing this correct? > > > > > > > On Thursday, July 24, 2008 at 7:39:38 PM UTC-4, Anne Hunt wrote: > > Hello, > > In the TopBraid help documentation it states that with OWL 1.1, the user > has the ability to create their own datatype. Can you give some guidance > on the steps to create datatypes using the TopBraid Composer UI? Or is > there another way to do it? I'd like to create something very similar to > your xsd:string[pattern...] example. > > Anne > > > ***From the help docs*** > User-Defined Datatypes > Arguably the most important OWL 1.1 feature is the ability to define new > datatypes, and to use these new datatypes in property ranges and > restrictions. For example, this can be used to state that adults are > Persons where the age property must be equal to or greater than 18. The > current OWL 1.1 datatype support is similar to XML Schema datatypes, > allowing to define datatypes with facets such as minInclusive, length and > pattern. Here are some examples to how such datatypes are defined in > TopBraid Composer: > > xsd:int[>=18] - all ints greater than or equal to 18 > xsd:float[>0.7, <2.3] - floating point numbers between 0.7 and 2.3 > xsd:float[totalDigits 4, fractionDigits 2] - numbers such as 12.34 > xsd:string[pattern "a[b]c*"] - strings that match the regular expression, > e.g. "a", "abc", "accccc" > xsd:string[length 27] - strings with exact length of 27 characters > xsd:string[minLength 1, maxLength 8] - strings with at least 1 but at most > 8 characters > dataComplementOf(xsd:int[>=18]) - integers less than 18 > There are essentially three ways to use these new expressions: > > Use the data range expressions as rdfs:range of a datatype property > Use data range expressions as fillers of owl:allValuesFrom or > owl:someValuesFrom restrictions > Create a named owl:DataRange and set the associated facets such as > minInclusive manually > > > > -- > You received this message because you are subscribed to the Google Groups > "TopBraid Suite Users" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > For more options, visit https://groups.google.com/d/optout. > > > > -- > You received this message because you are subscribed to the Google Groups > "TopBraid Suite Users" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected] <javascript:>. > For more options, visit https://groups.google.com/d/optout. > -- You received this message because you are subscribed to the Google Groups "TopBraid Suite Users" group. 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