D02.02 Report on the Maintenance of DCAT-AP DI/07624 - ABC IV Lot 3 SC141 V ers ion: 1 .0 0 Date: 2 3 /0 7/2019 D02.02 Report on the Maintenance of DCAT-AP Basic Document Metadata Property Value Name D02.02 Report on the Maintenance of DCAT-AP Release date 23/07/2019 Status Completed Version 1.00 Author Adina Dragan Reviewed by Fidel Santiago and Susanne Wigard Approved by Fidel Santiago and Susanne Wigard This report serves as a part of a series of status reports related to the maintenance of DCAT-AP, an Application Profile of the W3C Recommendation DCAT and its extensions, GeoDCAT-AP and Abstract StatDCAT-AP. The production of this and subsequent reports is governed by the Change and Release Management Policy for DCAT-AP. Document History Version Date Description Action 0.01 19/06/2019 Created first draft Creation 1.00 23/07/2019 Published version 1.0 Publish 23/07/2019 P age 1 D02.02 Report on the Maintenance of DCAT-AP Disclaimer: The views expressed in this report are purely those of the Author(s) and may not, in any circumstances, be interpreted as stating an official position of the European Commission. The European Commission does not guarantee the accuracy of the information included in this study, nor does it accept any responsibility for any use thereof. Reference herein to any specific products, specifications, process, or service by trade name, trademark, manufacturer, or otherwise, does not necessarily constitute or imply its endorsement, recommendation, or favouring by the European Commission. All care has been taken by the author to ensure that s/he has obtained, where necessary, permission to use any parts of manuscripts including illustrations, maps, and graphs, on which intellectual property rights already exist from the titular holder(s) of such rights or from her/his or their legal representative. 23/07/2019 P age 2 D02.02 Report on the Maintenance of DCAT-AP Table of Contents 1 INTRODUCTION AND BACKGROUND ............................................... 4 2 ISSUES UNDER CONSIDERATION ................................................... 5 2.1 OVERVIEW ................................................................................ 5 2.2 THE CATEGORISATION OF THE ISSUES ................................................... 5 2.3 ISSUES THAT INVOLVE BUG FIX CHANGES ................................................ 5 2.4 ISSUES THAT INVOLVE MINOR SEMANTIC CHANGES ...................................... 6 2.5 ISSUES THAT INVOLVE MAJOR SEMANTIC CHANGES ...................................... 7 2.6 ISSUES THAT WERE CLOSED ............................................................. 21 3 CONCLUSIONS AND NEXT STEPS .................................................. 25 ANNEX I INSTRUCTIONS FOR SUBMISSION OF CHANGE REQUESTS ...... 26 Table of Tables NO TABLE OF FIGURES ENTRIES FOUND. Table of Figures NO TABLE OF FIGURES ENTRIES FOUND. 23/07/2019 P age 3 D02.02 Report on the Maintenance of DCAT-AP 1 INTRODUCTION AND BACKGROUND This report is a status report related to the maintenance of DCAT-AP1, an Application Profile of the W3C Recommendation DCAT 2 and its siblings specifications StatDCAT- AP3 and GeoDCAT-AP 4 and is governed by the Change and Release Management Policy for DCAT-AP5. The current report includes an overview of all issues submitted on GitHub repositories as follows: section 2.1 presents the statistics about the new, open and closed issues, section 2.1 to 2.5 presents each open issue with its proposed resolution splitted up by categories like bug fixes, minor and major semantic changes and section 2.6 includes the closed issues during the reporting period. The reports closes with section 3 about conclusions and next steps of the change and release process. 1 DCAT application profile for data portals in Europe. https://joinup.ec.europa.eu/solution/dcat-application-profile-data-portals- europe/about 2 Data Catalog Vocabulary (DCAT). W3C Recommendation 16 January 2014. https://www.w3.org/TR/vocab-dcat/ 3 StatDCAT Application Profile for data portals in Europe https://joinup.ec.europa.eu/solution/statdcat-application-profile-data-portals- europe 4 GeoDCAT Application Profile for data portals in Europe https://joinup.ec.europa.eu/solution/geodcat-application-profile-data-portals- europe 5 Change and Release Management Policy for DCAT -AP. https://joinup.ec.europa.eu/node/700269 23/07/2019 P age 4 D02.02 Report on the Maintenance of DCAT-AP 2 ISSUES UNDER CONSIDERATION 2.1 Overview6 A total of 68 issues were reviewed in the period from 02 October 2018 until 20 June 2019 by being analysed and categorised in bug fixes, minor and major semantic changes. Eighteen new issues were opened during the period and twelve issues were fixed and closed under the DCAT-AP minor release version 1.2 from November 2018 and the DCAT-AP bug fix release version 1.2.1 and StatDCAT-AP bug fix release version 1.0.1 from May 2019. The remaining 56 issues remained open for discussions for the next major release planned for November 2019. The issues presented below from section 2.3 to 2.5 are still open for comments and will be discussed with the DCAT-AP Working Group, in preparation for the next major release scheduled for November 2019. 2.2 The categorisation of the issues The issues are grouped in the next sections into four categories: 1. Issues that involve bug fix changes in section 2.3 2. Issues that involve minor semantic changes in section 2.4 3. Issues that involve major semantic changes in section 2.5 4. Issues that were closed in section 2.6 2.3 Issues that involve bug fix changes ID DCAT-AP-58 Title rdf file > cleanup of the prefixes URL https://github.com/SEMICeu/DCAT-AP/issues/58 Discussion There are non-used prefixes in the RDF file and is best to clean them up. Proposed resolution Cleanup non-used prefixes in the next major release cycle from November 2019. 6 Change requests for DCAT-AP are handled through an issue tracker on GitHub (https://github.com/SEMICeu/DCAT-AP/). This repository had 28 watchers (https://github.com/SEMICeu/DCAT-AP/watchers) as of March 2019, two being members of the SEMIC team. Others include representatives from the Publications Office, and national data portals of Norway, Italy, Spain and Germany. 23/07/2019 P age 5 D02.02 Report on the Maintenance of DCAT-AP ID DCAT-AP-53 Title dcat:CatalogRecord URL https://github.com/SEMICeu/DCAT-AP/issues/53 Discussion According to DCAT-AP 1.2 PDF, adms:status MUST take one of the values :created, :updated or :deleted depending on whether this latest revision is a result of a creation, update or deletion. Instead, adms:status only defines Completed, Deprecated, UnderDevelopment and Withdrawn. Proposed resolution Correct the documentation specification with the real statuses allowed by adms:status meaning Completed, Deprecated, UnderDevelopment and Withdrawn. ID DCAT-AP-61 Title redefinition of the dcat ontology in the shacl file URL https://github.com/SEMICeu/DCAT-AP/issues/61 Discussion The dcat-ap.shapes.ttl contains the ontology description again (which is different from the official description). Proposed resolution Take out the ontology description from the SHACL representation. 2.4 Issues that involve minor semantic changes ID DCAT-AP-3 Title dcat:Catalog - dct:spatial recommended? URL https://github.com/SEMICeu/DCAT-AP/issues/3 Discussion Request to make the property recommended but not before agreeing on a more precise definition. Proposed resolution Make dct:spatial recommended for Catalog and agree on a more precise definition of the property. ID DCAT-AP-9 Title dcat:Dataset - dct:spatial recommended? URL https://github.com/SEMICeu/DCAT-AP/issues/9 Discussion None. Proposed resolution Make dct:spatial recommended for Dataset. 23/07/2019 P age 6 D02.02 Report on the Maintenance of DCAT-AP 2.5 Issues that involve major semantic changes The issues presented below are still open for comments and will be discussed in the DCAT-AP Working Group, in preparation for the next major release scheduled for November 2019. ID DCAT-AP-5 Title dcat:Catalog - remove dct:rights? URL https://github.com/SEMICeu/DCAT-AP/issues/5 Discussion None. Proposed resolution It is proposed to keep dct:rights in the model and close the issue. ID DCAT-AP-6 Title dcat:Catalog - remove dct:isPartOf? URL https://github.com/SEMICeu/DCAT-AP/issues/6 Discussion None. Proposed resolution It is proposed to keep this property in the model and close the issue. ID DCAT-AP-10 Title dcat:Dataset - remove adms:sample? URL https://github.com/SEMICeu/DCAT-AP/issues/10 Discussion Proposal to eliminate adms:Sample from Dataset as we already have dct:conformsTo. Proposed resolution It is proposed to remove adms:sample from Dataset and use dct:conformsTo that is already in the model. ID DCAT-AP-11 Title dcat:Dataset- remove adms:versionNotes? URL https://github.com/SEMICeu/DCAT-AP/issues/11 Discussion None. Proposed resolution It is proposed to keep this property in the model and close the issue. ID DCAT-AP-15 Title dcat:Dataset - remove dct:relation? URL https://github.com/SEMICeu/DCAT-AP/issues/15 Discussion None. Proposed resolution It is proposed to keep it in the model as this property is also recommended in ADMS and closing the issue. 23/07/2019 P age 7 D02.02 Report on the Maintenance of DCAT-AP ID DCAT-AP-16 Title dcat:Dataset - remove dct:source? URL https://github.com/SEMICeu/DCAT-AP/issues/16 Discussion None. Proposed resolution It is proposed to keep this property in the model and closing the issue. ID DCAT-AP-17 Title dcat:Dataset - remove dct:type? URL https://github.com/SEMICeu/DCAT-AP/issues/17 Discussion Comments received about how dct:type could be used to group related datasets into collections or that it can be used to distinguish between datasets, dataset series, geospatial datasets, documents, etc., and may use a controlled vocabulary for this.