Hi Scott,
Sorry but I do not fully understand the question? pmda is just the
prefix of my own model.
The reason I am trying to do this is because I am trying to infer an
executable model from metadata defined by Business Analysts.
The idea is to capture the restrictions using a framework that
provides a screen with a grid where each line has drop downs fields
with Properties, Types of restrictions, values, “(“, “)”, “and/or”,
with the possibility to include and delete lines in a simple way for
an end user, and then infer the triples using the SPIN:constructs like
this one I am trying to build.
Then based on the fact that a particular pmda:State can have two or
more pmda:State:Restriction
I need to identify how many restrictions are for that state.
I need to test in case the first restriction has “(“ and doesn’t have
a “)” the next restriction until I find the “)”.
I also need to identify the ways they are linked ( “and/or”) to create
owl:intersectionOf and owl:unionOf between them
Here is an example with two restrictions
pm:Consumer a pmda:State
hasRestriction “( pm:fistName minCard 1) and”
hasRestriction “(om:hasOrder minCard 1 ) “
This is the reason I need to learn how to use something like for each
in SPIN
Thanks again,
Guil
On Mar 4, 2:43 pm, Scott Henninger <[email protected]> wrote:
> Does this have anything to do with OWL local restrictions?
> Specifically, is your pmda: prefix defined as "http://www.w3.org/
> 2002/07/owl#"?
>
> -- Scott
>
> On Mar 3, 8:59 pm, Guilherme Scomparim <[email protected]> wrote:
>
>
>
> > Hi Scott,
>
> > Sorry to confuse things. To make easier, forget about the
> > aggregation issue for now.
>
> > Based on the triples that I sent before, I am already able to create
> > the construct below and it creates all the restrictions correctly.
>
> > CONSTRUCT {
> > ?thing a owl:Class .
> > ?thing rdfs:subClassOf owl:Thing .
> > ?thing owl:equivalentClass _:b0 .
> > _:b0 owl:onProperty ?OP .
> > _:b0 owl:minCardinality ?Number .}
>
> > WHERE {
> > ?thing a pmda:State .
> > ?thing pmda:hasRestriction ?Restr .
> > ?Restr pmda:restrictionOpenBracket ?OB .
> > ?Restr pmda:restrictionCloseBracket ?CB .
> > ?Restr pmda:restrictionNumber ?Number .
> > ?Restr pmda:restrictionOnProperty ?OP .
> > ?Restr pmda:restrictionSequence ?Seq .
> > ?Restr pmda:restrictionType ?Typ .
>
> > }
>
> > My problem is that this construct cannot create the intersections and
> > unions required for some of these restrictions.
>
> > In order to do that I need to understand how to use “For each” in
> > SPARQL to manipulate more than one record in the same construct like
> > pmda:restrictionOpenBracket[1] and pmda:restrictionCloseBracket[2]
>
> > Any help in understanding better how to use For Each in SPARQL is
> > what I really need now.
>
> > Thanks again,
> > Guil
>
> > On Mar 4, 12:59 pm, Scott Henninger <[email protected]>
> > wrote:
>
> > > Hello Guil; I'm having a bit of trouble with the question. The
> > > initial paragraph talks about aggregates, but the rest seems to be a
> > > non-standard representation of OWL restrictions.
>
> > > In terms of "for each", the key is to understand how SPARQL works.
> > > Given a graph pattern in the WHERE clause, a SPARQL engine will
> > > produce a result for each match of the graph pattern. In particular,
> > > this means the "for each" is built into the SPARQL standard to start
> > > with.
>
> > > With that understanding, you may end up reformulating your approach,
> > > so be sure to post any follow-on questions you may have. BTW, the OWL
> > > standard specifies a way of representing OWL restrictions. So that's
> > > also already available - see Help > How to? > Create a local
> > > restriction, and look at the source code sub-tab. Choose the Turtle
> > > text serialization and you will see how OWL restrictions are
> > > represented in RDF.
>
> > > -- Scott
>
> > > On Mar 3, 6:07 pm, Guilherme Scomparim <[email protected]> wrote:
>
> > > > Hi all,
>
> > > > I was wondering if there is a way to manipulate “recordsets” when
> > > > building a spin:construct
>
> > > > I am not sure if I am doing this in the proper way. Since I have not
> > > > found “For each” functionality in SPIN, I am trying to create
> > > > different queries using different filters that require count() and
> > > > group by to create different constructs based on the data in the
> > > > “recordsets” and this is not possible following the message “Aggregate
> > > > expression not legal at this point”
>
> > > > To help understand my problem, I have a class called State that
> > > > relates to another class called StateRestriction via a particular
> > > > property. This relationship defines the restriction criterion for each
> > > > State as defined below.
>
> > > > pmda:State a owl:Class .
> > > > pmda:StateRestriction a owl:Class .
> > > > pmda:hasRestriction rdfs:domain pmda:State .
> > > > pmda:hasRestriction rdfs:range pmda:StateRestriction .
> > > > pmda:restrictionSequence rdfs:domain pmda:StateRestriction .
> > > > pmda:restrictionOpenBracket rdfs:domain pmda:StateRestriction .
> > > > pmda:restrictionOnProperty rdfs:domain pmda:StateRestriction .
> > > > pmda:restrictionType rdfs:domain pmda:StateRestriction .
> > > > pmda:restrictionValue rdfs:domain pmda:StateRestriction .
> > > > pmda:restrictionCloseBracket rdfs:domain pmda:StateRestriction .
> > > > pmda:restrictionConjunctionDisjuntion rdfs:domain
> > > > pmda:StateRestriction .
>
> > > > I already create a construct that creates a restriction class for each
> > > > instance of the pmda:State.
>
> > > > Now I need to create the Intersections and Unions of the restrictions
> > > > that are defined as many instances of the pmda:StateRestriction for
> > > > each pmda:State.
>
> > > > This requires me to deal with a list of State Restrictions that are
> > > > related to a unique State and I am really not sure how to do that.
>
> > > > Thanks in Advance,
> > > > Guil- Hide quoted text -
>
> > > - Show quoted text -- Hide quoted text -
>
> - Show quoted text -
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