KGCW2025 Challenge

Knowledge Graph Construction has seen a wide uptake among academics and industry. The W3C Community Group on Knowledge Graph Construction has prepared a conformance challenge with the new RDF Mapping Language (RML) modules. New modules such as RML IO Registry and RML Logical Views were introduced as well as new test cases with improved specifications.

Task Description

The task is to comply with the new RML specification and its modules in this challenge.


Click here to go to the website of the resources.



Submissions

Workflow for submissions of the Challenge:

  1. Interest for participation by March 24th 2025 AoE, by filling in this form.
  2. Results submission by May 2nd 2025 AoE (see below for submission steps).
  3. OPTIONAL (Proceedings):
    • Submit report paper by May 23th 2025 AoE.
    • Report paper will be reviewed by PC/OC.
    • If paper is accepted, it will be published within the proceedings of KGCW.
    • Camera ready submission by June 13th 2025 AoE.

Do you want to ask questions? Join us in slack or contact us at kgcw@grupos.nube.usc.gal.

At least one author of each tool needs to present the results during the workshop
(virtual presentations are not allowed)



Test cases of all RML modules

Test compliance of an engine with all new RML modules:

  1. RML-Core: https://github.com/kg-construct/rml-core/
  2. RML-IO: https://github.com/kg-construct/rml-io/
  3. RML-IO-Registry: https://github.com/kg-construct/rml-io-registry/
  4. RML-CC: https://github.com/kg-construct/rml-cc/
  5. RML-FNML: https://github.com/kg-construct/rml-fnml/
  6. RML-FNML: https://github.com/kg-construct/rml-fnml/
  7. RML-LV: https://github.com/kg-construct/rml-lv/
You can find the test cases on Zenodo as well where the official version used during the Challenge is published here.



Evaluation Criteria

Submissions must evaluate the following metrics:

  • Compliance with the new RML specification and its modules.



Results Submission

You can share your results by downloading and filling in this Excel sheet with your information and test cases results. It contains some guidelines on how to do so. When your results are filled in, you can save your file as "'TeamName'_KGCW2025.xlsx" and upload it to our shared Nextcloud folder. Do not hesitate to contact us for any questions!