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Dataset Exchange Working Group (DXWG)

W3C Process

The Working Group is always operating under the latest W3C Process.

Charter 2022

• https://lists.w3.org/Archives/Public/public-dxwg-wg/2022Jun/0047.html
• https://www.w3.org/2022/06/dx-wg-charter.html
• see also history

Charter 2020

• https://lists.w3.org/Archives/Public/public-dxwg-wg/2020Feb/0034.html
• https://www.w3.org/2020/02/dx-wg-charter.html

Deliverables

See the list of publications.

• Use Cases & Requirements
  • Use Cases and Requirements history
  • Latest Public Working Group Note
  • Editor's draft
• DCAT
  • DCAT
  • DCAT 1 History (Retired)
  • DCAT 2 History (Recommendation)
  • DCAT 3 History (work in progress)
  • Editor's draft
• Guidance on publishing application profiles of vocabularies
  • (unpublished)
  • Editor's draft
• Content Negotiation by Profile
  • Content Negotiation by Profile history
  • Editor's draft
    • Poll Conneg to CR
• Profiles Vocabulary
  • Profiles Vocabulary history
  • Editor's draft

Dates for CR

(as of February 2023, proposed by Riccardo Albertoni, to discuss with the plenary)

Deliverable	Date
5th DCAT Working Draft	Late February 2023
WG vote on CR	Mid April 2023
Implementation report	Late June 2023
Publication of the Recommendation	September 2023

Community review

List of community members to contact for review

Working Documents

• Actions: (https://www.w3.org/2017/dxwg/track/actions)
• GitHub Repositories: https://www.w3.org/PM/Groups/repositories.html?gid=wg/dx

Use cases and Requirements

• Editor's draft
• Requirements spreadsheet
• Alejandra's analysis of versioning
• General versioning considerations
• Use Case Working Space
  • Initial Discussed Use Cases and Status (Editor's draft) (Obsolete!)
• Use Cases Requirements
• Comparison and analysis of W3C UCR documents

DCAT deliverable

• DCAT team working space
• Editor's draft
• DCAT in Context of Standards and related Work
• DCAT Revision First Public Working Draft
• Spreadsheet for collecting implementation evidence

Profiles

• Profile Guidance document roundup
• Notes and outline from f2f3
• draft Profile Descriptor Ontology
  • Profiles Vocabulary in github
  • Antoine's diagram from f2f3
• Profiles context: Definitions and existing profiles
• Initial document on guidelines for profiles, now superseded by document above
• Issues related to DCAT profiles
• Requirements related to DCAT profiles

Resolutions relating to Profiles

• Definition of Profile .. RESOLVED: to adopt this definition of 'Profile' - "A named set of constraints on one or more identified base specifications, including the identification of any implementing subclasses of datatypes, semantic interpretations, vocabularies, options and parameters of those base specifications necessary to accomplish a particular function. "

Tools and support

• IRC trackbot tool
• GitHub etiquette
• see also tools

Key Dates

2018

• W3C publishing moratorium 12 through 17 May 2018
• December 19, 1200Z: Deadline for publication requests before moratorium
• December 20: Last publications before moratorium
• December 24 - January 1: No publications
• January 3, 2019: Publications resume

2019

• W3C publishing moratorium 6 through 11 April 2019

Background and reading

W3C Documents

• DCAT
• HCLS Community profile
• Data Quality vocabulary
• Dataset Usage vocabulary
• Data on the Web Best Practices #19 Content Negotation
• Spatial Data on the Web Best Practices (§12.4 Spatial Metadata)
• The Smart Data & Smarter Descriptions (SDSVoc) workshop report, in particular the section on content negotiation by application profile.
• ODRL Vocabulary & Expression (for permissions and restrictions)
• ODRL model
• Tabular Metadata
• see also publications

Non-W3C Documents

Application Profiles

For DCAT

• DCAT-AP: DCAT application profile for data portals in Europe
• DCAT-AP SHACL: DCAT-AP SHACL expression
• GeoDCAT-AP: Geospatial extension to DCAT-AP
• StatDCAT-AP: Statistical extension to DCAT-AP
• BRegDCAT-AP: Extension to DCAT-AP for base registries
• DCAT-BE: Belgian extension to DCAT-AP
• DCAT-AP.de: German extension to DCAT-AP
• DCAT-AP (Ireland): Irish extension to DCAT-AP
• DCAT-AP_IT: Italian extension to DCAT-AP
• GeoDCAT-AP_IT: Italian extension to GeoDCAT-AP
• DCAT-AP-NL: Dutch extension to DCAT-AP
• DCAT-AP-DONL: Dutch extension to DCAT-AP used in https://data.overheid.nl/
• DCAT-AP-NO: Norwegian extension to DCAT-AP
• DCAT-AP-SE: Swedish extension to DCAT-AP
• DCAT-AP-DK: Danish extension to DCAT-AP
• Czech DCAT-AP 2.0.1 implementation
• CH-DCAT-AP: Swiss extension to DCAT-AP
• European TransportDCAT-AP: Extension to DCAT-AP concerning the transport domain
• Report on DCAT-AP use
• Summary about the Report on DCAT-AP use
• Analysis of the DCAT-AP Extensions
• Another analysis of DCAT-AP variants
• EPOS-DCAT-AP European Plate Observing System DCAT-AP
• DCAT-AP-JRC Extension to DCAT-AP for multi-disciplinary research data
• CiteDCAT-AP Data citation extension to DCAT-AP

Other AP

• DATS - "DATS (DAta Tag Suite), is a data description model designed and developed to describe datasets being ingested in DataMed, a prototype for data discovery developed as part of the NIH Big Data 2 Knowledge bioCADDIE project."
• Dublin Core Requirements for APs
• Geography Markup Language profiles
• ODRL Profiles
• BIBFRAME profiles
• BioSchemas Profiles
• METS Profiles
• Kaa Endpoint Profiles
• CIDOC-CRM Profile
• OSCAL/Federal Risk and Authorization Management Program (FedRAMP) Profile Examples OSCAL info
• z39.50 (ISO 10000)
• ISO/IEC TR 10000-1:1998 Information technology -- Framework and taxonomy of International Standardized Profiles -- Part 1: General principles and documentation framework
• Digital Public Library of America
• Mountain West Digital Library
• BIBCO Standard Record Metadata Application Profiles
• Scholarly Works Application Profile (UKOLN)
• OhioLink Digital Media Center Metadata Application Profile
• Digital Newspapers Metadata Application Profile
• Gooru Learning Catalog Metadata
• THECB Learning Object Repository Metadata Application Profile
• CEN Dublin Core Application Profile (ICS 35.100.05; 35.240.60)
• DLF AIG Metadata Application Profile Clearinghouse Project

IETF def of Profile

• Proneg IETF doc

Mappings to/from DCAT (and DCAT application profiles)

• GeoDCAT-AP (EU ISA Programme) - Defines mappings from INSPIRE/ISO 19115 metadata to DCAT-AP
• StatDCAT-AP (EU ISA Programme) - Defines mappings from SDMX metadata to DCAT-AP
• DDI v2 to Dublin Core (DDI Alliance)
• ISO 19115 - DCAT - Schema.org mapping (W3C SDW WG)
• DCAT to Schema.org mapping (Project Open Data)
• DCAT-AP to Schema.org mapping (JRC)
• CiteDCAT-AP (JRC) - Defines mappings from DataCite to DCAT-AP. Implemented in Zenodo

Background About Profiles

• Description Set Profiles: A constraint language for Dublin Core Application Profiles
• Warwick Framework (1996)
• BIBFRAME profile vocabulary
• CEN DCAP guidelines, 2004

Versioning

• Tracking versions with PAV
• Material for a SPRINT on Versioning

Content Negotiation

• Negotiating Profiles in HTTP

Other

• schema.org's dataset description
• CKAN's DCAT plugin
• [1] code and results for analysing property use in the European Data Portal and European Open Data Portal
• Analysis_of_2019-03-14_edp_output.html
• Analysis_of_2019-03-14_eodp_output.html

Schemas maybe useful for description of profiles

• Asset Description Metadata Schema, based on DCAT

Related non-W3C vocabularies

• CERIF
• CSMD: the Core Scientific Metadata Model
• ICAT schema (Large Facility experimental data)
• DBpedia DataID
• DDI and DISCO - DDI Discovery Vocabulary
• DataCite
• Hypercat
• Force 11's FAIR Principles
• ISO 19115 - Geographic information -- Metadata -- Part 1: Fundamentals - fee payable :-(, but these are open -
  • OWL2 representation
  • code-lists
• CrossRef open funder registry

Resources for Transition To PR etc.

• Requirements for the transition document:- https://www.w3.org/Guide/transitions?profile=CR&cr=new
• W3C Process document [March 2019]:- https://www.w3.org/2019/Process-20190301/
• a simpler template for transition documents:- https://github.com/w3c/transitions
• milestones tool
• Figuring which W3C next step to use

Participation

Participation in the DXWG is subject to the usual W3C Membership rules. Representatives of Member Organizations should contact their AC Rep to join the WG.

Non members are encouraged to make comments and contributions via public-dxwg-comments@w3.org [archive]

See also the WG's primary mailing list and GitHub Repository where issues are raised and discussed.

See also the participants list

Contacts

The WG Chairs are Caroline Burle, NIC.br and Peter Winstanley. Staff contact is Philippe Le Hegaret. You can e-mail the chairs at team-dxwg-chairs@w3.org