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

Table of Contents

• Summary: This Companion Volume for the 22nd International Conference on Semantic Systems, SEMANTiCS 2026, presents 23 demos, 43 posters (21 from the Posters and Demos Track, and 22 Fast-Tracked from the Research and Innovation Track), 5 Blue Sky papers and 1 Tutorial paper.

Posters and Demos

• Towards a Semantic Dataspace for Interoperable and Transparent Local Council Decision Data
  Leila Feddoul , Stefanie Kerkhof , Antje Dietrich , Hannes Köninger , Marianne Mauch
• Sampo-UI Meets Ontop: Publishing Relational Digital Humanities Data on the Semantic Web
  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
  Ole Katzenberger , Ferdinand Schreiber , Christos Vagkidis , Alf Köhn-Seemann , Thomas Kopinski
• Demonstration of RDF and SPARQL 1.2 Interoperability through Query Rewriting
  Jitse De Smet , Maxime Jakubowski
• Schema Injection in the Wild for Link Prediction: Lessons Learned from Incomplete Schema Cases
  Nicolas Robert , Pierre Monnin , Catherine Faron
• The Eyeling Playground: N3 rules in your browser
  Patrick Hochstenbach , Jos De Roo , Wout Slabbinck , Beatriz Esteves , Pieter Colpaert
• Scaling Ontology Engineering with LLMs: Semantic Alignment and Coverage Evaluation
  Sebastian Neumaier , Tobias Dam , Fabian Kovac
• ArcUno: A Topology-Sensing Tangible Toolkit for Lean Knowledge Graph Modeling
  Filippos Taprantzis , Victor de Boer
• Montage: LLM-driven Expert-in-loop Schema-Ontology Mapper
  Siddhesh Thombre , Manasi Patwardhan , Sunita Sarawagi
• Towards ATIC: A Specialized Quadstore Tailored for Corporate Memories
  Markus Schröder , Desiree Heim , Christian Jilek , Andreas Dengel
• Efficient RAG for MediaWiki and Wikibase: Hyperparameter Tuning for Semantic Retrieval under Resource Constraints
  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
  Eero Hyvönen , Petri Leskinen , Heikki Rantala , Jouni Tuominen , Annastiina Ahola
• Towards Claim-Centered Biomedical Knowledge Representation: A Pilot Annotation Corpus
  Rohitha Ravinder , Leyla Jael Castro , Dietrich Rebholz-Schuhmann
• A Functional and Distributed RML Processor
  Corentin Michaux , Christophe Debruyne
• MCP-over-SPARQL : Giving AI the tools to query knowledge graphs
  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
  Volodymyr Kadzhaia , Pieter Bonte
• Assessing the Viability of an OBDA Approach to Integrating Databases into a Virtual Knowledge Graph for Research Management at ITC
  Phearun Ol , Deperias Kerre , Christophe Debruyne , Dona Valy , Sotheany Nou
• Towards Neurosymbolic Learning for the Semantic Web with Kolibrie
  Volodymyr Kadzhaia , Pieter Bonte
• An AI-Assisted Semantic Platform enabling Pesticide Risk Assessment
  Ugo Gentile , Till Goldmann , Francesco Carratta , Julie Moulin
• Integrating Domain Experts and Large Language Models for Competency Question Generation
  Maryam Sefidbari , Leyla Jael Castro
• Streaming Interoperable Construction Data with LDES
  Carlos Ramonell , Mathias Bonduel
• Decompose Before You Match: Mapping Complex Terms to FoodOn by Their Parts
  Tadeusz Price , Jens Ruhof , Ido Toxopeus , Marga Ocké , Anna Fensel
• Towards a Gold Dataset for Cross-Perspective Ontology Alignment in the Food Domain
  Divyasha Sunil Naik , Birgitta König-Ries
• Modeling the Letters of Nobel Laureate Ivo Andrić as a Knowledge Graph
  Marija Đokić Petrović , Mihajlo Stojanović , Branko Tošović
• EthnoBot: A Semantic Platform for Ethnobotanical Data Collection and LLM-Aided Plant Name Resolution
  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
  Pol Nachtergaele , Ben De Meester , Femke Ongenae
• Robot Capability Assessment in Manufacturing Using Semantic XAI and Neuro-Symbolic Reasoning
  Muhammad Raza Naqvi , Arkopaul Sarkar , Linda Elmhadhbi , Antoine Zimmermann , Hedi Karray
• The FAIR Humanitarian Data Space
  Rens Kievit , Joëlle Stocker , Mirjam van Reisen
• Agentic Competency Question Generation for Copolymer Domain Ontologies
  Vishvapalsinhji Parmar , Vamsi Krishna Kommineni , Birgitta König-Ries
• A Semantic Backend Architecture for Digital Twin Spacecraft Lifecycle Integration
  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
  Maarten Vandenbrande , Pieter Bonte , Femke Ongenae
• Explore Intra-Belgian book translation flows with a SAMPO-UI
  Sven Lieber , Ann Van Camp , Joren Six , Julie Birkholz
• Nahuatl Dialectal Varieties Classification
  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
  Roberto Shimizu
• OBIS Extractor: Create a Schema for Your Knowledge Graph
  Kārlis Čerāns , Aiga Romāne-Ritmane , Mikus Grasmanis , Lelde Lāce
• AMA-KBQA: An Adaptable Multi-Agent Framework for Generalizable Knowledge Base Question Answering
  Yannic Duan , Maximilian Klattig , Maurice Bardenhagen , Yuyang Li , Tobias Käfer
• Enforcing fine-grained data governance for Wikibase via generic and declarative filter rules
  Sven Lieber
• Investigating Stability and Consensus in LLM Taxonomy Generation
  Alison Yearsley , Anelia Kurteva
• LLM-Leaderboard for Knowledge Graph related Tasks - Finding the Best Language Model with Data from LLM-KG-Bench
  Lars-Peter Meyer , Felix Brei , Johannes Frey , Marvin Hofer
• Agentic exploration of knowledge graph data schemas
  Uldis Bojārs , Lelde Lāce , Mikus Grasmanis , Kārlis Čerāns
• Trust Chains for AI-Assisted Heritage Knowledge: A Wiki-Backed, Tradition-Aware Pipeline
  Vijendra Kushwaha
• Knowledge-Graph Scope Expansion for Text-to-SQL RAG over Czech Public-Health Tables
  Peter Vajdecka
• Using Linked Data for Monitoring Administrative Persecution Targeting LGBTQIA+ Expression
  Andrei Nesterov , Sergey Katsuba
• OWL-SDA: A Multi-Agent System for Generating Synthetic Data to Support Ontology Evaluation
  Maxim Van de Wynckel , Emmelien De Roock
• AIDGO: A FAIR Ontology for Aligning EU AI Act Data Governance Obligations with ISO/IEC Technical Standards
  Kuruvilla George Aiyankovil , David Lewis
• ODDToolkit: An Open-Source Toolkit to Help Bridge the Developer Gap in Ontology Driven Design
  Maxim Van de Wynckel , Geert Van Haute
• Large Language Model-based Textual Graph Retrieval Agent with Minimal Toolset
  Wooyoung Kim , Doyoung Kwon , Haemin Jung , Wooju Kim
• Chemical Identity Lost in Regulation: A Study of Semantic Interoperability in European Chemical Substance Data
  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
  Ngoc-Duy Mai , Ha-Thanh Nguyen , Ken Satoh , Hideaki Takeda
• Semantic MediaWiki as a Governed Architecture for Ontology‑Driven Collaborative Knowledge Engineering
  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
  Mussab Zneika
• Automated Consent Form Generation: Using Ontologies for Model Configuration
  Maryam Mohammadi , Aliena Strathmann , Katja Politt , Annett Jorschick , Hendrik Buschmeier
• Beyond Similarity: LLM-Based Generation of Typed Semantic Links for Ontology Networks
  Nouha Hayouni , Sheeba Samuel , Alsayed Algergawy
• From Fragmentation to Fidelity: Can Partially Harmonized Knowledge Graphs Support Reliable Clinical Question Answering?
  Astha Anand , Martin Hofmann-Apitius , Maria Vehreschild , Jörg Janne Vehreschild , Marc Jacobs
• SC-RED: A Knowledge-Graph-Grounded Supply Chain Relation Extraction Dataset
  Siva Indraneel Dhulipala , Debayan Banerjee , Ricardo Usbeck
• Bridging Theory and Practice in Semantic Data Science
  Dmitrii Orlov , Lise Stork , Nikolay Yakovets , Daphne Miedema
• The EOBS Knowledge Graph: A Knowledge Graph of European Climate Observations
  Ammar Yousaf , Auriol Degbelo
• From Text to Knowledge Gems: Design Principles and a Hybrid AI Approach for Sustainable Knowledge Curation
  Lucia Cvitanic , Heidelinde Hobel , Verena Parzer , Denis Havlik , Ghazal Etminan
• From Documents to Decisions: Ontology-Driven Knowledge Graph Construction Using Iterative LLM Pipelines
  Felix Neubürger , Ole Katzenberger , Salvador Cantuarias , Thomas Kopinski
• Neurosymbolic Join Resolution for Enterprise Text-to-SQL
  Silvan Wiedmer , Albert Weichselbraun , Adrian M.P. Braşoveanu , Norman Süsstrunk
• Validating SHACL Constraints with Notation3 Rules
  Alexander Posselt , Dörthe Arndt
• LLM-Assisted Ontology Engineering and Construction of a French Legal Knowledge Graph
  Génesis Montenegro , Mokhtar Boumedyen Billami , Catherine Faron , Fabien Gandon , Pierre Monnin
• Tokenizing the Graph: Attentive Byte-pair Encoding for Knowledge Graph Embeddings
  N'Dah Jean Kouagou , Arnab Sharma , Harshit Purohit , Caglar Demir , Axel-Cyrille Ngonga Ngomo
• Parameterized Fuzzy Negation for Complex Query Answering over Knowledge Graphs
  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
  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
  Ruben Taelman
• PROV-CRED: Rated Provenance for Knowledge Graphs
  Mary Ann Tan , Christian Nennemann , Genet Asefa Gesese , Harald Sack
• Knowledge Tectonics: A Geodynamic Inspired Framework for Modelling Epistemic Changes
  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
  Mayank Kejriwal
• The Semantic Immune System: Adaptive Knowledge Integrity in the Era of Induced Semantics
  Manzoor Ali , Muhammad Saleem , Yasir Mahmood , Axel-Cyrille Ngonga Ngomo

Tutorials

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