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Subject: Re: [regrep] Canonical XML Validation Service?
John Gillerman wrote: >Farrukh, > >Can the Schematron be used in conjunction with an OWL based validation. I >would think we want a infrastructure that can be extended to semantic >validation. > Hi John, That is a very interesting question. From the current registry spec view point it is fairly trivial to special two Canonical Validation Services: 1. Canonical XML Validation Service with Schematron as Invocation Control File 2. Canonical RDF Validation Service with OWL as Invocation Control File Then there is the possibility of a third validation Service: 3. Canonical XML Validation Service with OWL as Invocation Control File Though I am not as certain of technical issues the last service may face in specification and implementation. (1) is easiest to specify and presents the least implementation burden. I would propose it to be a required feature. (2) is easy to specify but harder to implement. I would propose it as an optional feature In summary I could see next version of spec specifying (1) as required and (2) as optional feature. Thanks for the excellent suggestion. >Regards, > >John Gillerman >SISCO >www.sisconet.com >T: 732 937-9745 >F: 775-667-0355 >M: 732 979-9595 > > > > > >>-----Original Message----- >>From: Farrukh Najmi [mailto:Farrukh.Najmi@Sun.COM] >>Sent: Wednesday, November 16, 2005 10:57 AM >>To: regrep@lists.oasis-open.org >>Subject: Re: [regrep] Canonical XML Validation Service? >> >>Farrukh Najmi wrote: >> >>>Dear Colleagues, >>> >>>As you know we have a required Canonical XML Cataloging Service in >>>ebRS that specifies use of XSLT stylesheets as invocation >>> >>control file >> >>>for cataloging XML Content. >>>This is a very powerful feature because it allows declarative >>>alternative to programming a cataloging service for >>> >>objectTypes that >> >>>are XML based. >>> >>>For the next version of our specs, I would like to propose >>> >>that we do >> >>>the same concept with a new "Canonical XML Validation Service" that >>>specifies use of Schematron language as invocation control file for >>>validating XML Content. This would enable a declarative >>> >>alternative to >> >>>programming a validation service for objectTypes that are XML based. >>> >>>Consider the case for specifying business rules required by >>> >>the "ebXML >> >>>Profile for Web Services". The following example illustrates how >>>simply it could be expressed in Schematron rather than >>> >>programming a >> >>>validation service: >>> >>><schema xmlns="http://www.ascc.net/xml/schematron";> >>> <title>A Schematron rules file for validating WSDL >>> >>according to the >> >>>ebXML Registry profile for Web Services</title> <pattern >>>name="Section 6.2 Business Rules: First rule"> >>> <rule context="wsdl:binding"> >>> <assert test="soap:binding">Validation Error: WSDL >>> >>Binding MUST >> >>>be a SOAP Binding</assert> >>> </rule> >>> </pattern> >>> <pattern name="Section 6.2 Business Rules: Second rule"> >>> <rule context="soap:binding"> >>> <assert test="string(@style) = 'document'">Validation >>> >>Error: WSDL >> >>>SOAP Binding MUST use Document style</assert> >>> </rule> >>> </pattern> >>> <pattern name="Section 6.2 Business Rules: Second rule"> >>> <rule context="soap:binding"> >>> <assert test="string(@transport) = >>>'http://schemas.xmlsoap.org/soap/http'">Validation Error: WSDL SOAP >>>Binding MUST use HTTP transport</assert> >>> </rule> >>> </pattern> >>></schema> >>> >>>As you can see this is a very powerful feature as the >>> >>alternative is >> >>>to program a validation service as a SOAP endpoint and deploy it >>>somewhere. >>>With this feature it is all self-contained within the registry. >>> >>>What do folks think of adding this as a feature in next >>> >>version of the >> >>>specs? >>> >>> >>I forgot to mention an important detail. Schematron is an ISO >>standard: >> >>http://www.schematron.com/spec.html >> >>So we would be building our specs on firm ground. >>Thanks. >>-- >>Regards, >>Farrukh >> >> >> >> > > -- Regards, Farrukh
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