Yeah, for example http://semwebquality.org/ontologies/dq-constraints#LowerLimitClass
seems to be pretty close to what you may need (except that you may want to use the ?this local attachment instead of the global constraint). Holger On Sep 26, 2011, at 8:53 PM, Bohms, H.M. (Michel) wrote: > yes, but....then I would expect such general questions to be part of the > standard spin module library ...(http://spinrdf.org/spl.html#templates) > > (or is it?) > > so maybe my whole issue/question can be reformulated as wished extension for > that library.... > > or peprhaps there is a link here with: > http://semwebquality.org/documentation/primer/20101124/index.html? > > From: [email protected] > [mailto:[email protected]] On Behalf Of Holger Knublauch > Sent: maandag 26 september 2011 12:12 > To: [email protected] > Subject: Re: [topbraid-users] spin syntactic sugar? > > Hi Michel, > > have you looked at SPIN Templates for that purpose? > > http://composing-the-semantic-web.blogspot.com/2009/01/understanding-spin-templates.html > > For example, define a template ex:minValue with two arguments arg:predicate > and arg:min, and a spin:body of > > ASK { > ?this ?predicate ?value . > FILTER (?value < ?min) > } > > and give it a human-readable spin:labelTemplate. Then instantiate this > whenever you need this pattern. > > Holger > > > On Sep 26, 2011, at 7:52 PM, Bohms, H.M. (Michel) wrote: > >> Hi Scott, >> >> Just a question to get some opinions. >> >> I really like SPIN/SPARQL approach for modelling derivations and constraints. >> It is a very nice way to model product requirements: model a product in one >> ontology. Make a "requirements ontology" importing the first and add demands >> and wishes in the form of rules...to limit the solution space...obtaining a >> very good basis for configuration/optimization: add some goals (incl. >> minimize/maximize, fitness function etc.) and finally derive the best >> end-user specific solution instance ... >> >> However, despite the existing abstraction from the actual SPIN meta-data as >> plain SPARQL in the interface, I think it would be very nice to have even >> more syntactic sugar on top of it. >> >> Or in other words: >> >> seeing: >> ASK WHERE { >> >> ?this rules:length ?length . >> >> FILTER (?length < 10) . >> >> } >> >> is way better than: >> >> spin:constraint >> >> [ a sp:Ask ; >> >> sp:where ([ sp:object _:b1 ; >> >> sp:predicate rules:length ; >> >> sp:subject spin:_this >> >> ] [ a sp:Filter ; >> >> sp:expression >> >> [ a sp:lt ; >> >> sp:arg1 _:b1 ; >> >> sp:arg2 10 >> >> ]])] ; >> >> >> >> but just >> >> length >= 10 in the context of a certain class would be even (much) nicer.... >> >> (esp. when there are many constraints/derivations) >> >> thx for feedback, Michel >> >> >> >> >> >> Dr. ir. H.M. (Michel) Böhms >> Sr. Research Scientist >> Technical Sciences T +31 888663107 >> M +31 630381220 >> E [email protected] Location >> Disclaimer >> >> <logo_signature.gif> >> >> >> -- >> You received this message because you are subscribed to the Google >> Group "TopBraid Suite Users", the topics of which include TopBraid Composer, >> TopBraid Live, TopBraid Ensemble, SPARQLMotion and SPIN. >> To post to this group, send email to >> [email protected] >> To unsubscribe from this group, send email to >> [email protected] >> For more options, visit this group at >> http://groups.google.com/group/topbraid-users?hl=en > > > -- > You received this message because you are subscribed to the Google > Group "TopBraid Suite Users", the topics of which include TopBraid Composer, > TopBraid Live, TopBraid Ensemble, SPARQLMotion and SPIN. > To post to this group, send email to > [email protected] > To unsubscribe from this group, send email to > [email protected] > For more options, visit this group at > http://groups.google.com/group/topbraid-users?hl=en > > -- > You received this message because you are subscribed to the Google > Group "TopBraid Suite Users", the topics of which include TopBraid Composer, > TopBraid Live, TopBraid Ensemble, SPARQLMotion and SPIN. > To post to this group, send email to > [email protected] > To unsubscribe from this group, send email to > [email protected] > For more options, visit this group at > http://groups.google.com/group/topbraid-users?hl=en -- You received this message because you are subscribed to the Google Group "TopBraid Suite Users", the topics of which include TopBraid Composer, TopBraid Live, TopBraid Ensemble, SPARQLMotion and SPIN. To post to this group, send email to [email protected] To unsubscribe from this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/topbraid-users?hl=en
