SEMANTiCS-WS 2026
SEMANTiCS 2026 Workshops UKG, SAGE, Sem4Tra, SKGi, and SymGenAI4Sci

Table of Contents

Across the five workshops, 35 papers were submitted for peer review, of which 23 were accepted for these proceedings.

2nd International Workshop on Users and Knowledge Graphs (UKG)

• Second International Workshop on Users and Knowledge Graphs (UKG) (preface)
  Christophe Debruyne, Enayat Rajabi, Somayeh Kafaie
• The Initial Exploration Problem in Knowledge Graph Exploration (long paper)
  Claire McNamara, Lucy Hederman, Declan O'Sullivan
• A Mikrokosmos of Mappings: An Empirical Study of YARRRML Evolution (long paper)
  Sehar Shafique, Eduard Kamburjan
• Enabling Non-Technical Users to Create Knowledge Views (long paper)
  Alex Randles, Lucy McKenna, Lynn Kilgallon, Peter Crooks, Jane Ohlmeyer, Claire McNulty, Felix Vanden Borre, Daniel Patterson, Declan O'Sullivan

1st Workshop on Semantic Architectures for Governance and Explainability (SAGE)

• Preface to the 1st Semantic Architectures for Governance and Explainability (SAGE 2026) (preface)
  Amna Dridi, Edlira Vakaj, Cecilia Zanni-Merk, Mohamed Ragab
• A Comparative Evaluation of Post-Hoc Explanation Methods for Predictive Modeling: Strengths, Limitations, and Benchmark-Qualified Selection Guidelines (long paper)
  Rosa Elysabeth Ralinirina, Jean Christian Ralaivao, Niaiko Michaël Ralaivao, Alain Josué Ratovondrahona, Thomas Mahatody
• Building Thoroughly Tested Semantic Rule Engines in the Age of GenAI: Towards Realizing Interoperable, Legally Compliant, and Trustworthy Data Flows (short paper)
  Patrick Hochstenbach, Jos De Roo, Wout Slabbinck, Beatriz Esteves, Pieter Colpaert
• Where Structure Helps: RDF vs. Property Graphs for Legal GraphRAG Retrieval (short paper)
  Vishnu Sankarakumar, Anelia Kurteva
• Regulatory Compliance as Procedural Knowledge (short paper)
  Erwin Filtz, Josiane Xavier Parreira
• AEGIS: A Modular Ontology for Governance, Provenance, and Risk in Generative AI Systems (long paper)
  Amna Dridi, Ewan Price, Jayanth Chowdary Jaliparth, Ramesh Babu Suresh Babu, Faiza Javed, Priya Mahipal Yadav, Sagor Chandra Sutra Dhar
• Cognitive Complexity for Auditable Evaluation of Knowledge Graph Change Benchmarks (short paper)
  Sara Todorovikj, Michael Martin
• Does SRL Pave the Road to Explainable Reasoning? Lessons Learned from an Implementer's Perspective (long paper)
  Lander Maes, Bryan-Elliott Tam, Jitse De Smet, Jos De Roo, Pieter Colpaert, Ruben Taelman

7th Workshop on Semantics for Transport and Logistics (Sem4Tra)

• Semantics for Transport and Logistics 2026 - Sem4Tra (preface)
  Shahrom Sohi, Julián Rojas, Ghislain Atemezing, Cornelis Bouter
• A Methodological Framework for Managing and Updating Controlled Vocabularies in mobilityDCAT-AP (short paper)
  Julien Martineau, Mario Scrocca, Peter Lubrich, Petr Bureš, Jasper Beernaerts
• Lowering the Barrier: An Architecture for Creating, Maintaining and Executing Mappings (short paper)
  Pim Mulder, Wouter van den Berg, Jan Pieter Wijbenga, Cornelis Bouter
• Building and Publishing a Railway Infrastructure Knowledge Graph: Lessons Learned from SPARQL Anything, GeoSPARQL, SHACL and RINF Publication (long paper)
  Mathias Vanden Auweele, Linnea Catharina Olsen, Mia Pin Berge, Johan Korsmo
• VPA: An Ontology for Verified Permissions and Authorisations (short paper)
  Maarten Duhoux, Ghislain Atemezing
• It Is Not the Standard, It Is the Feed: Analysis of a Minimum Viable Denominator for Comparing GTFS and NeTEx in European Public Transport Data (long paper)
  Livia Mihaela Miclaus, Shahrom Sohi

3rd Workshop on Scaling Knowledge Graphs for Industry (SKGi)

• Third International Workshop on Scaling Knowledge Graphs for Industry (SKGi) - Semantic Powered Agents (preface)
  Diego Rincon-Yanez, Fabio Gil-Zuluaga, Martino Pulici, Michael Cochez, Arild Waaler, Evgeny Kharlamov
• Templates Constrain, Agents Interpret: Early Evidence for Validated Brick Knowledge-Graph Construction from Industrial Building Data (short paper)
  Knut Nordanger, Luis Caetano, John Clauß, Reidar Kind, Thomas Elvrum Lassen
• Combining Large Language Models & Knowledge Graphs for Energetic Renovation Suggestions (short paper)
  Emma Nuyts, Mathias De Brouwer, Arne Vervaet, Bertrand Fontaine, Sofie Van Hoecke, Marc Delghust, Femke Ongenae
• A Storage–Retrieval Gap in Parametric Knowledge Graph Memory (long paper)
  Martino M. L. Pulici, Cuong Xuan Chu, Evgeny Kharlamov, Volker Tresp
• Better Be Sure: A Verification and Validation Taxonomy for Industrial KG Construction (long paper)
  Wilma J. Schmidt, Evgeny Kharlamov, Adrian Paschke

2nd International Workshop on Symbolic and Generative AI for Science (SymGenAI4Sci)

• Preface to the 2nd International Workshop on Symbolic and Generative AI for Science (SymGenAI4Sci 2026) (preface)
  Sanju Tiwari, Jennifer D'Souza, Daniel Dobriy, Sören Auer, Naveen Lamba
• MAWCS: A Multi-Agent Workflow Scheduling Framework for Heterogeneous Models and Cloud Resources (long paper)
  Goshgar Can Ismayilov
• LLM-Assisted Ontology Design for Restaurant Menu Data: A Case Study (short paper)
  Ali Amini
• KnowTD Interface: An Interactive Neuro-Symbolic Workflow for Thermodynamics Problem Solving (short paper)
  Luisa Vollmer, Rébecca Loubet, Hans Hasse, Heike Leitte
• Layer-Wise Localization and Classification of Hallucinations in Large Language Models (long paper)
  Naveen Lamba, Sanju Tiwari, Manas Gaur, Daniel Dobriy