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Subject: RE: [plcs-dex] RE: Changes to referencing owl classes in dexlib
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You are correct. I have adopted <rdl_ref id=" classname " urn="urn:plcs:rdl:std"/>
implicit in this is that the urn is the urn of the rdl. The urn of the class is assumed to be urn:plcs:rdl:std:classname
Regards ------------------------------------------- -----Original
Message-----
Dear Rob, ________________________________ From: Rob Bodington [mailto:rob.bodington@eurostep.com]
Hi I have made the changes outlined below. This has involved a change to every capability, dex and business concept
I therefore strongly recommend that you do a cvs update
Also - Look out for CVS conflicts. These will show up in the WinCVS screen when doing a CVS update. E.g. C data/busconcept/2410/2410_form/dvlp/resource_event.vsd
If you have a conflict, CVS will be merging a file that you have changed with the new revision. It will leave > in the file which will cause the XSL to fail
There are two changes that you need to be aware of: 1) The OWL files
for the reference data are now stored in: 2) Consequently the Protégé ont-policy.rdf files needs to be modified by and readded to Protete
3) References to
the owl classes are now via the URNs. So instead of:
4) The same goes for class and class_ref
Please contact me if there any questions
Regards -------------------------------------------
Email: Rob.Bodington@eurostep.com -----Original Message-----
Hi I have addressed the following issue to do with creating links to reference data in dexlib. As you can see from the comment on the issue, this will result in some changes to the XML elements used to refer to OWL classes.
Unless any has any strong objections, I propose to check in these changes tomorrow, and change ALL the capabilities and DEXs that are affected. Please let me know if you are working on any capabilities at the moment and please make sure that you check in all capabilities etc.
I will also be moving the OWL files and the rdl_index.xml as discussed below.
________________________________ Open issueIssue: RBN-37 by Rob Bodington (05-10-01)
minor_technical issue It has been agreed that the class libraries holding OWL classes (OWL files) will be identified by URNs in the DEXs. DEXlib does not currently support this. In fact, all classes are assumed to be in one OWL file and the XSLT resolves the links. E.g. a hyper link is created by <rdl_ref id="Manufacturer_of" rdl="plcs_owl"/>. The XSL then searches the owl file to find the class to link to. Instead it should be <rdl_ref id="Manufacturer_of" rdl="urn:plcs:rdl:std"/> So there is no way to distinguish between OWL classes that are part of or proposed to be PLCS reference data and OWL classes that are within the context of a business context. The proposal is to provide a register of URNs in dexlib that will allows an owl file (or set of files) to be indexed by a URN. This will mean the links are now: <rdl_ref id="Manufacturer_of"
rdl="urn:plcs:rdl:std "/> In addition to the links from within a capability/DEX, the browsing of the RDL will need to be modified to accommodate the URNs. Currently, just the list of owl files is displayed. XSL would also be written to summarize the use of the OWL classes in a business concept, capability ect. This will facilitate the harmonisation of reference data. DEXLib still contains some code and files for reference data that predate the decision to move to OWL. These should be removed. This will also mean deleting the current directories dexlib/data/refdata/ which contain the non OWL reference data and moving the OWL files from dexlib/data/refdata/plcs_owl/ to dexlib/data/refdata/ Comment: (Rob Bodington 06-06-12) The following changes have been made to address this: 1. Moved all the OWL files from: dexlib/data/refdata/plcs_owl to: dexlib/data/refdata 2. Modified dexlib/data/refdata/rdl_index.xml so that it contains a register of OWL files that correspond to a given RDL URN. Note that ideally, one OWL file should have one URN. However, we are importing a number of OWL files that are in development by modellers, e.g. dexlib/data/refdata/plcs-rdl-rbn.owl Hence several OWL files can be referenced under on URN. I.e, they are logically the same file The URN register: dexlib/data/refdata/rdl_index.xml has the following format: (note there can be many URNs defined) <rdl_index> 3. All XML elements that refer to classes have been modified. It is now necessary to specify the URN of the RDL that holds the class. E.g the following have changed: o The
capability section specifying the classes used: o A
reference to a class in the main text: o A
reference to a class in a template parameter: <param_in
name="la_class_name" type="CLASS"> Modified: dexlib/xsl/dex/common.xsl dexlib/xsl/dex/template.xsl 4. Modified: mk_capability.wsf so that the examples are correct 5. Modified the main pages for browsing the RDL so that the pages are sorted by URN and the URNs are shown in the class summaries. shown. Modified: dexlib/xsl/owl_rdl/dexlib_rdl_index.xsl dexlib/xsl/owl_rdl/inline_issues.xsl dexlib/xsl/owl_rdl/plcs-refdata-likeexpress.xsl dexlib/xsl/owl_rdl/rdl_clause.xsl 6. Modified the DTDs to reflect the changes: dexlib/dtd/dex/text.ent dexlib/dtd/dex/templates.ent 7. Modified the help files to reflect the changes: dexlib/help/dex/dvlp_tags.xml Regards -------------------------------------------
Email: Rob.Bodington@eurostep.com
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