KGCW 2026
Knowledge Graph Construction 2026

Table of Contents

• Preface
  
  Summary: There were 16 papers submitted for peer-review to this workshop. Out of these, 13 papers were accepted for this volume, 7 as regular papers, 6 as short papers.

Knowledge Graph Construction Workshop

• Shifting Models Left: End-to-End Traceability as a Foundation for Knowledge Graphs as Data Products 1-7
  Lionel Tailhardat, Joanna Balcerzak, Arij Elmajed, Pano Maria, Gabriel Fomi-NGameni
• Beyond Exit Code 1: Execution Report of RML Processors 8-20
  Jakub Duchateau, Dylan Van Assche, Christophe Debruyne
• From Federal Heterogeneity to Reproducible Analytics: A Provenance-Aware Knowledge Graph for Cross-Portal Comparability of German Open Government Data 21-26
  Florian Hahn, Michael Martin, Eric Engels
• RML Playground: Online Editing, Validation, and Execution for the RDF Mapping Language 27-32
  Els de Vleeschauwer, Arthur Vercruysse, Ben De Meester, Pieter Colpaert
• Implementing the EHRI-KG: From Declarative Mapping Rules to a Three-Layered KG Construction Architecture 33-47
  Herminio García-González, Mike Bryant
• Towards Verifiable Declarative Mappings: A Vision Paper 48-53
  Eduard Kamburjan, Mário Pereira
• Reducing Human Effort in Ontology-Based Data Integration: An LLM-Assisted Mapping Pipeline 54-68
  Sulthoni Ashiddiiqi, Fajar J. Ekaputra, Muhammad Zuhri Catur Candra, Gusti Ayu Putri Saptawati Soekidjo
• Implementing the Semantic Units Framework using Named Graphs and R2RML in a Knowledge Graph for the Biodiversity Exploratories 69-83
  Tarek Al Mustafa, Lars Vogt, Tina Heger, Birgitta Koenig-Ries
• Towards Standardised AI Documentation: A Knowledge Graph Approach for Model and Data Cards 84-95
  Andy Donald, Talha Iqbal, Ihsan Ullah, Huan Chen, Edward Curry, Apostolos Galanopoulos, Emir Munoz, Sagar Saxena
• NORKE: A Framework for Normative Rule-Centric Knowledge Graph Construction using Language Models 96-111
  Eduardo de Souza, André Gomes Regino, Julio Cesar dos Reis
• Let's Invert It! From RDF to Relational Data with R2RML 112-120
  Arcangelo Massari, Anastasia Dimou
• The HeFQUIN Approach to Extract and to Process Composite Values with RML and SPARQL 121-126
  Olaf Hartig

Knowledge Graph Construction Challenge

• Technical Report on the 4th Edition of Knowledge Graph Construction Workshop Challenge 127-140
  Sitt Min Oo, Enrique Iglesias, Jakub Duchateau, Marco Grassi, Pano Maria, Els de Vleeschauwer, Adrián Martínez-Balea, Mario Scrocca, Maria-Esther Vidal