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Minutes Virtual CDI meeting 2022-02-16AttendeesAchim, Arofan, Flavio, Hilde, Larry, Jay ApologiesDan, Wendy 1. Changes to the model resulting from the XML schema work by Achim/LarrySome model issues were detected during the XML schema work by Larry and Achim List of classes in DDICDILibrary:
The identifier attribute should be added to these classes. Dependent on the implementation, these classes could be instantiated. Then it makes sense that they have an identifier. Action: Flavio to implement Reference: Attributes on Reference: What are the “required” and “semantic” attributes on Reference? They are undocumented. Decision: Remove “required” and document “semantic”. Action: Flavio to remove “required”. Arofan and Hilde to document “semantic” as the type of reference that may or may not come from a Controlled Vocabulary. Cardinality change: Multiplicity of attribute Reference::ddiReference should be 0..1 instead of 1..1. Decision: Agreed to change the cardinality of reference to 0..1. Action: Flavio to implement. NB: New file from Flavio available that includes the agreed changes provided post meeting on 2022-02-16. ControlledVocabularyEntry: entryReference and vocabulary lacks documentation. Action: Arofan and Hilde to complete this during the field level documentation upgrade. 2. Other issuesIt may not be time to provide an XML schema before the release. Larry proposed to provide a snippet for the release, containing Concept, Variable, Codelist. Action: Larry to continue with the XML and the example. Arofan and Hilde to continue with the field level documentation upgrade. Check in with the group next week as needed if more issues may be detected. |
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Minutes Virtual CDI meeting 2022-01-26AttendeesAchim, Arofan, Flavio, Hilde, Dan, Larry, Wendy ApologiesJay 1. Admin- SciDataCon panel planArofan will prepare a draft proposal for a CDI panel for SciDataCon for the group to look at. The CDI as part of an interoperability framework together with other standards like DCAT, http://schema.org , PROV etc. 2. Release Issues:- Enumeration property questionsArofan is working on reviewing definitions for Enumerations and had some questions to some of them. StructureTypology
Action: Flavio to look at the definitions for these, and check if changes are needed to the list of items and their definitions. TemporalOperator:
Action: Flavio to find definitions for these, look at DDI-L (3.3) /possibly Process model in DDI4 Enumerations with no connections: Action: Flavio will look for enumerations with no connections in the model. This task has been compled. - Updating the XML and field-level online doc (for in-progress work)Action: Achim will provide new clickable documentation and new XMI files, based on the EA file from Flavio of 2021-12-21. This task has been completed. - Plan for incorporating field-level docArofan will continue to revise field level documentation and will send to Hilde for discussion and entry when he has something in hand. 4. Further discussion of moving forward topics/SC doc from this weekDelivery of model to the TC: Wendy asked Arofan to provide a tentative date for this in the near future. Document for the Scientific Board Contact: Arofan has created a document for Simon, the Scientific Board Contact of the CDI group, about the next step priorities of the group. Action: Hilde to publish this on the wiki in Confluence Cross Domain Integration (CDI) Working Group . This task has been completed.
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Minutes virtual CDI meeting 2022-01-19AttendeesAchim, Arofan, Flavio, Hilde, Jay, Larry, Wendy ApologiesDan 1. Admin (if any)
2. Status on releaseThe first step is for Arofan and Hilde will continue the preparation of the field level documentation. The upgrade of the spec is the next step. 3. Further discussion of moving forward topics-Production set-upAchim is currently working on tools for model to text transformations using Eclipse Acceleo for transform the EA model to canonical xmi. Bitbucket is used an environment for this. A goal is to automate the process as much as possible, however, some manual steps related to the export from EA and the check of output from the transformation are needed. Wendy pointed out that production flows and tools may vary between the DDI products and that an overview regarding what we have, where things are, how processes are realised etc. would be useful to document for each product. -RDF representationAchim is currently working to improve the production tool, and will then integrate the RDF code of Pierre Antoine. He will get back to Pierre Antoine in February regarding this. -Other focus areas
-PrioritiesAfter the work on the first version of the CDI model and the spec has been finished, the RDF representation would be the next thing on the priorities list, and after that implementation guides and mappings. The current XML representation also needs a review. Additional syntaxes was also a topic at Dagstuhl. Larry mentioned that we need to think about a method for the mapping of the model to object oriented languages, and not only put focus on the objects. Arofan pointed out that Eclipse based tools can bind to object oriented programming languages (Java, Phyton, C++ etc.). This needs to be further explored and perhaps discussed with modelling experts. Achim pointed out that EA can do this as well, but that it has its own mapping understanding. StatCan also has an approach for general libraries that adress a family of object oriented languages. Like the EA approach this also has some limitations. Wendy pointed out that it would be useful to discuss this topic in a broader group as well. Transformation rules in COGS could for example be explored. It was agreed that Arofan will organise an effort to write a position paper on the topic later on. |
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Minutes Virtual CDI meeting 2021-12-15AttendeesAchim, Arofan, Dan, Flavio, Hilde, Jay, Larry, Wendy 1. Admin (if any)- Liaison w/ SB (Simon)Simon Hodson will be the CDI contact from the Scientific Board. The first point of contact will be that Arofan drafts a document describing goals achieved and future plans of the group. 2. Updates on documentation issuesArofan and Hilde are working on the field level documentation. All elements have been gone through, as to whether their definitions and other documentation like explanations or examples need to be added or changed. Properties have mostly been edited and is available in a temporary EA file that the group has access to – updates with edits and additions of other components like classes, associations, datatypes and enumerations are forthcoming. 3. Updates on model freeze and generationAchim has created a new canonical xmi file based on Flavio’s draft frozen file of 2021-11-23, with some minor edits. Flavio will implement the changes proposed by Achim to the temporary EA file that Hilde is working on and, will produce a new file on which she can continue to edit the field level documentation. Work on release candidates for xsd is ongoing. |
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