SEMANTiCS-C 2026
Posters, Demos, Blue Sky, and Tutorials at SEMANTiCS 2026

Table of Contents

Posters and Demos

• Towards a Semantic Dataspace for Interoperable and Transparent Local Council Decision Data
  PDF 10.83095/ceurws_04293_001
  Leila Feddoul, Stefanie Kerkhof, Antje Dietrich, Hannes Köninger, Marianne Mauch
• Sampo-UI Meets Ontop: Publishing Relational Digital Humanities Data on the Semantic Web
  PDF 10.83095/ceurws_04293_002
  Joren Six, Jahid Chetti, Annastiina Ahola, Frederic Lamsens, Heikki Rantala, Eero Hyvönen
• KGWorkbench: From Modular Ontologies to Human-Reviewed Knowledge Graphs - A Human-in-the-Loop Tool for LLM-assisted Knowledge Graph Construction
  PDF 10.83095/ceurws_04293_003
  Ole Katzenberger, Ferdinand Schreiber, Christos Vagkidis, Alf Köhn-Seemann, Thomas Kopinski
• Demonstration of RDF and SPARQL 1.2 Interoperability through Query Rewriting
  PDF 10.83095/ceurws_04293_004
  Jitse De Smet, Maxime Jakubowski
• Schema Injection in the Wild for Link Prediction: Lessons Learned from Incomplete Schema Cases
  PDF 10.83095/ceurws_04293_005
  Nicolas Robert, Pierre Monnin, Catherine Faron
• The Eyeling Playground: N3 rules in your browser
  PDF 10.83095/ceurws_04293_006
  Patrick Hochstenbach, Jos De Roo, Wout Slabbinck, Beatriz Esteves, Pieter Colpaert
• Scaling Ontology Engineering with LLMs: Semantic Alignment and Coverage Evaluation
  PDF 10.83095/ceurws_04293_007
  Sebastian Neumaier, Tobias Dam, Fabian Kovac
• ArcUno: A Topology-Sensing Tangible Toolkit for Lean Knowledge Graph Modeling
  PDF 10.83095/ceurws_04293_008
  Filippos Taprantzis, Victor de Boer
• Montage: LLM-driven Expert-in-loop Schema-Ontology Mapper
  PDF 10.83095/ceurws_04293_009
  Siddhesh Thombre, Manasi Patwardhan, Sunita Sarawagi
• Towards ATIC: A Specialized Quadstore Tailored for Corporate Memories
  PDF 10.83095/ceurws_04293_010
  Markus Schröder, Desiree Heim, Christian Jilek, Andreas Dengel
• Efficient RAG for MediaWiki and Wikibase: Hyperparameter Tuning for Semantic Retrieval under Resource Constraints
  PDF 10.83095/ceurws_04293_011
  Kolja Bailly, Lozana Rossenova, Ina Blümel
• Using ParliamentSampo Linked Open Data Service and Portal for Analyzing Interruptions and Laughter in the Plenary Sessions of the Parliament of Finland
  PDF 10.83095/ceurws_04293_012
  Eero Hyvönen, Petri Leskinen, Heikki Rantala, Jouni Tuominen, Annastiina Ahola
• Towards Claim-Centered Biomedical Knowledge Representation: A Pilot Annotation Corpus
  PDF 10.83095/ceurws_04293_013
  Rohitha Ravinder, Leyla Jael Castro, Dietrich Rebholz-Schuhmann
• A Functional and Distributed RML Processor
  PDF 10.83095/ceurws_04293_014
  Corentin Michaux, Christophe Debruyne
• MCP-over-SPARQL : Giving AI the tools to query knowledge graphs
  PDF 10.83095/ceurws_04293_015
  Tarek Bouzelat, Thomas Francart, Badisse Dahamna, Flavien Disson, Romain Lelong, Catherine Letord, Stéfan J. Darmoni
• Urban Drone Traffic Safety with Semantic Web Enhanced Stream Reasoning through DatalogMTL𝑅𝐷𝐹
  PDF 10.83095/ceurws_04293_016
  Volodymyr Kadzhaia, Pieter Bonte
• Assessing the Viability of an OBDA Approach to Integrating Databases into a Virtual Knowledge Graph for Research Management at ITC
  PDF 10.83095/ceurws_04293_017
  Phearun Ol, Deperias Kerre, Christophe Debruyne, Dona Valy, Sotheany Nou
• Towards Neurosymbolic Learning for the Semantic Web with Kolibrie
  PDF 10.83095/ceurws_04293_018
  Volodymyr Kadzhaia, Pieter Bonte
• An AI-Assisted Semantic Platform enabling Pesticide Risk Assessment
  PDF 10.83095/ceurws_04293_019
  Ugo Gentile, Till Goldmann, Francesco Carratta, Julie Moulin
• Integrating Domain Experts and Large Language Models for Competency Question Generation
  PDF 10.83095/ceurws_04293_020
  Maryam Sefidbari, Leyla Jael Castro
• Streaming Interoperable Construction Data with LDES
  PDF 10.83095/ceurws_04293_021
  Carlos Ramonell, Mathias Bonduel
• Decompose Before You Match: Mapping Complex Terms to FoodOn by Their Parts
  PDF 10.83095/ceurws_04293_022
  Tadeusz Price, Jens Ruhof, Ido Toxopeus, Marga Ocké, Anna Fensel
• Towards a Gold Dataset for Cross-Perspective Ontology Alignment in the Food Domain
  PDF 10.83095/ceurws_04293_023
  Divyasha Sunil Naik, Birgitta König-Ries
• Modeling the Letters of Nobel Laureate Ivo Andrić as a Knowledge Graph
  PDF 10.83095/ceurws_04293_024
  Marija Đokić Petrović, Mihajlo Stojanović, Branko Tošović
• EthnoBot: A Semantic Platform for Ethnobotanical Data Collection and LLM-Aided Plant Name Resolution
  PDF 10.83095/ceurws_04293_025
  Theodora Manika, Michail Tsenos, Christian Ebeling, Vijay Ingalalli, Antigoni Cheilari, Evanthia Dina, Avni Hajdari, Andrea Pieroni, Dimitrios Gunopulos, Marc Jacobs, Nektarios Aligiannis
• FnO-Convert: Automatic Semantic Annotation of ML Pipelines Using the Function Ontology
  PDF 10.83095/ceurws_04293_026
  Pol Nachtergaele, Ben De Meester, Femke Ongenae
• Robot Capability Assessment in Manufacturing Using Semantic XAI and Neuro-Symbolic Reasoning
  PDF 10.83095/ceurws_04293_027
  Muhammad Raza Naqvi, Arkopaul Sarkar, Linda Elmhadhbi, Antoine Zimmermann, Hedi Karray
• The FAIR Humanitarian Data Space
  PDF 10.83095/ceurws_04293_028
  Rens Kievit, Joëlle Stocker, Mirjam van Reisen
• Agentic Competency Question Generation for Copolymer Domain Ontologies
  PDF 10.83095/ceurws_04293_029
  Vishvapalsinhji Parmar, Vamsi Krishna Kommineni, Birgitta König-Ries
• A Semantic Backend Architecture for Digital Twin Spacecraft Lifecycle Integration
  PDF 10.83095/ceurws_04293_030
  Rojina Shrestha, Björn Beyreuther, Harald Eisenmann, Ken Wenzel, Armin Müller
• Putting the Athlete in Control of their Performance Data through Privacy-Preserving Aggregators across Data Vaults
  PDF 10.83095/ceurws_04293_031
  Maarten Vandenbrande, Pieter Bonte, Femke Ongenae
• Explore Intra-Belgian book translation flows with a SAMPO-UI
  PDF 10.83095/ceurws_04293_032
  Sven Lieber, Ann Van Camp, Joren Six, Julie Birkholz
• Nahuatl Dialectal Varieties Classification
  PDF 10.83095/ceurws_04293_033
  Juan-José Guzmán-Landa, Daniela Juárez-Morales, Juan-Manuel Torres-Moreno, Luis-Gil Moreno-Jiménez, Miguel Figueroa-Saavedra, Rémy Kessler, Graham Ranger, Martha-Lorena Avendaño-Garrido
• Session Graph: A Provenance-Aware Semantic Memory Layer for AI-Assisted Development
  PDF 10.83095/ceurws_04293_034
  Roberto Shimizu
• OBIS Extractor: Create a Schema for Your Knowledge Graph
  PDF 10.83095/ceurws_04293_035
  Kārlis Čerāns, Aiga Romāne-Ritmane, Mikus Grasmanis, Lelde Lāce
• AMA-KBQA: An Adaptable Multi-Agent Framework for Generalizable Knowledge Base Question Answering
  PDF 10.83095/ceurws_04293_036
  Yannic Duan, Maximilian Klattig, Maurice Bardenhagen, Yuyang Li, Tobias Käfer
• Enforcing fine-grained data governance for Wikibase via generic and declarative filter rules
  PDF 10.83095/ceurws_04293_037
  Sven Lieber
• Investigating Stability and Consensus in LLM Taxonomy Generation
  PDF 10.83095/ceurws_04293_038
  Alison Yearsley, Anelia Kurteva
• LLM-Leaderboard for Knowledge Graph related Tasks - Finding the Best Language Model with Data from LLM-KG-Bench
  PDF 10.83095/ceurws_04293_039
  Lars-Peter Meyer, Felix Brei, Johannes Frey, Marvin Hofer
• Agentic exploration of knowledge graph data schemas
  PDF 10.83095/ceurws_04293_040
  Uldis Bojārs, Lelde Lāce, Mikus Grasmanis, Kārlis Čerāns
• Trust Chains for AI-Assisted Heritage Knowledge: A Wiki-Backed, Tradition-Aware Pipeline
  PDF 10.83095/ceurws_04293_041
  Vijendra Kushwaha
• Knowledge-Graph Scope Expansion for Text-to-SQL RAG over Czech Public-Health Tables
  PDF 10.83095/ceurws_04293_042
  Peter Vajdecka
• Using Linked Data for Monitoring Administrative Persecution Targeting LGBTQIA+ Expression
  PDF 10.83095/ceurws_04293_043
  Andrei Nesterov, Sergey Katsuba
• OWL-SDA: A Multi-Agent System for Generating Synthetic Data to Support Ontology Evaluation
  PDF 10.83095/ceurws_04293_044
  Maxim Van de Wynckel, Emmelien De Roock
• AIDGO: A FAIR Ontology for Aligning EU AI Act Data Governance Obligations with ISO/IEC Technical Standards
  PDF 10.83095/ceurws_04293_045
  Kuruvilla George Aiyankovil, David Lewis
• ODDToolkit: An Open-Source Toolkit to Help Bridge the Developer Gap in Ontology Driven Design
  PDF 10.83095/ceurws_04293_046
  Maxim Van de Wynckel, Geert Van Haute
• Large Language Model-based Textual Graph Retrieval Agent with Minimal Toolset
  PDF 10.83095/ceurws_04293_047
  Wooyoung Kim, Doyoung Kwon, Haemin Jung, Wooju Kim
• Chemical Identity Lost in Regulation: A Study of Semantic Interoperability in European Chemical Substance Data
  PDF 10.83095/ceurws_04293_048
  Geert Van Haute, Stijn Goedertier, Pieter Fannes, Maxim Van de Wynckel
• Towards Understanding Causality in Judicial Narratives: A Simple Approach using Event-Centric Knowledge Graphs
  PDF 10.83095/ceurws_04293_049
  Ngoc-Duy Mai, Ha-Thanh Nguyen, Ken Satoh, Hideaki Takeda
• Semantic MediaWiki as a Governed Architecture for Ontology‑Driven Collaborative Knowledge Engineering
  PDF 10.83095/ceurws_04293_050
  Rajesh Piryani, Yannick Hersant, Benoit Dalet, Carole Convers, Benoit Baurens, Abdessadeq Zougari Ben Elkhayat
• Cost-Preserving Distributed Approximate Pattern Mining for Scalable RDF Graph Summarization
  PDF 10.83095/ceurws_04293_051
  Mussab Zneika
• Automated Consent Form Generation: Using Ontologies for Model Configuration
  PDF 10.83095/ceurws_04293_052
  Maryam Mohammadi, Aliena Strathmann, Katja Politt, Annett Jorschick, Hendrik Buschmeier
• Beyond Similarity: LLM-Based Generation of Typed Semantic Links for Ontology Networks
  PDF 10.83095/ceurws_04293_053
  Nouha Hayouni, Sheeba Samuel, Alsayed Algergawy
• From Fragmentation to Fidelity: Can Partially Harmonized Knowledge Graphs Support Reliable Clinical Question Answering?
  PDF 10.83095/ceurws_04293_054
  Astha Anand, Martin Hofmann-Apitius, Maria Vehreschild, Jörg Janne Vehreschild, Marc Jacobs
• SC-RED: A Knowledge-Graph-Grounded Supply Chain Relation Extraction Dataset
  PDF 10.83095/ceurws_04293_055
  Siva Indraneel Dhulipala, Debayan Banerjee, Ricardo Usbeck
• Bridging Theory and Practice in Semantic Data Science
  PDF 10.83095/ceurws_04293_056
  Dmitrii Orlov, Lise Stork, Nikolay Yakovets, Daphne Miedema
• The EOBS Knowledge Graph: A Knowledge Graph of European Climate Observations
  PDF 10.83095/ceurws_04293_057
  Ammar Yousaf, Auriol Degbelo
• From Text to Knowledge Gems: Design Principles and a Hybrid AI Approach for Sustainable Knowledge Curation
  PDF 10.83095/ceurws_04293_058
  Lucia Cvitanic, Heidelinde Hobel, Verena Parzer, Denis Havlik, Ghazal Etminan
• From Documents to Decisions: Ontology-Driven Knowledge Graph Construction Using Iterative LLM Pipelines
  PDF 10.83095/ceurws_04293_059
  Felix Neubürger, Ole Katzenberger, Salvador Cantuarias, Thomas Kopinski
• Neurosymbolic Join Resolution for Enterprise Text-to-SQL
  PDF 10.83095/ceurws_04293_060
  Silvan Wiedmer, Albert Weichselbraun, Adrian M.P. Braşoveanu, Norman Süsstrunk
• Validating SHACL Constraints with Notation3 Rules
  PDF 10.83095/ceurws_04293_061
  Alexander Posselt, Dörthe Arndt
• LLM-Assisted Ontology Engineering and Construction of a French Legal Knowledge Graph
  PDF 10.83095/ceurws_04293_062
  Génesis Montenegro, Mokhtar Boumedyen Billami, Catherine Faron, Fabien Gandon, Pierre Monnin
• Tokenizing the Graph: Attentive Byte-pair Encoding for Knowledge Graph Embeddings
  PDF 10.83095/ceurws_04293_063
  N'Dah Jean Kouagou, Arnab Sharma, Harshit Purohit, Caglar Demir, Axel-Cyrille Ngonga Ngomo
• Parameterized Fuzzy Negation for Complex Query Answering over Knowledge Graphs
  PDF 10.83095/ceurws_04293_064
  Sourabh Kapoor, Arnab Sharma, Stefan Heindorf, Caglar Demir, Axel-Cyrille Ngonga Ngomo
• Datalens: A Semantic Model and Knowledge Graph for Discovery and Exploration of Machine Learning Resources
  PDF 10.83095/ceurws_04293_065
  Zachari Arnaud, Aline Menin, Anaïs Ollagnier, Catherine Faron

Blue Sky Ideas Track

• From Server-centric to Client-centric Data Integration over Decentralized Knowledge Graphs with Personal Query Engines
  PDF 10.83095/ceurws_04293_066
  Ruben Taelman
• PROV-CRED: Rated Provenance for Knowledge Graphs
  PDF 10.83095/ceurws_04293_067
  Mary Ann Tan, Christian Nennemann, Genet Asefa Gesese, Harald Sack
• Knowledge Tectonics: A Geodynamic Inspired Framework for Modelling Epistemic Changes
  PDF 10.83095/ceurws_04293_068
  Thomas Van Erven, Stelios Kontogiannis, Efstratios Kontopoulos, Konstantinos Avgerinakis, Andrea Scharnhorst, Sándor Darányi
• Semantics for Science: Toward a Massive Scale Evidence-Centric Scientific Knowledge Graph
  PDF 10.83095/ceurws_04293_069
  Mayank Kejriwal
• The Semantic Immune System: Adaptive Knowledge Integrity in the Era of Induced Semantics
  PDF 10.83095/ceurws_04293_070
  Manzoor Ali, Muhammad Saleem, Yasir Mahmood, Axel-Cyrille Ngonga Ngomo

Tutorials

• (En-)Coding The Knowledge Graph Stack: RDF, RDFS, SPARQL, SHACL, (YARR)RML
  PDF 10.83095/ceurws_04293_071
  Achim Reiz, Gregor Seifer