| Vol-4084 urn:nbn:de:0074-4084-x Copyright © 2025 for the individual papers by the papers' authors. Copyright © 2025 for the volume as a collection by its editors. This volume and its papers are published under the Creative Commons License Attribution 4.0 International (CC BY 4.0).

# HyperAgents 2025
Hypermedia Multi-Agent Systems 2025

### Proceedings of the Second International Workshop on Hypermedia Multi-Agent Systems (HyperAgents 2025)
co-located with 28th European Conference on Artificial Intelligence (ECAI 2025)

### Bologna, Italy, October 26, 2025.

Edited by

### Andrei Ciortea 1,3
Rem Collier 2
Fabien Gandon 3
Andreas Harth 4,5
Antoine Zimmermann 6

1 University of St.Gallen, School of Computer Science, St.Gallen, Switzerland
2 University College Dublin, School of Computer Science, Dublin, Ireland
3 Wimmics, Inria, Université Côte d’Azur, CNRS, I3S, Sophia Antipolis, France
4 Friedrich-Alexander-Universität Erlangen-Nürnberg, Chair of Technical Information Systems, Nürnberg, Germany
5 Fraunhofer IIS, Center for Applied Research on Supply Chain Services, Data Spaces and IoT Solutions, Nürnberg, Germany
6 MINES Saint-Étienne, Institut Henri Fayol, Saint-Étienne, France

## Table of Contents

- Preface
  Summary: There were 15 papers submitted for peer-review to this workshop. Out of these, 12 papers were accepted for this volume, 1 as regular paper and 11 as short papers.

### Session 1: Agents in Web Environments

- Intelligent Agents: Where Is the Web? (short paper) 1–9
  Victor Charpenay
- Affordance Representation and Recognition for Autonomous Agents (short paper) 10–17
  Habtom Kahsay Gidey, Niklas Huber, Alexander Lenz, Alois Knoll
- The Gap Between BDI Agents and Semantic Hypermedia and What We Can Do About It (short paper) 18–27
  Samuele Burattini, Martina Baiardi, Giovanni Ciatto, Danilo Pianini

### Session 2: Web of Things, Ambient Intelligence, and Industrial Applications

- Towards Achieving Adaptive Behaviour of Agents Through Physics-Infused Descriptions of Cyber-physical Devices (short paper) 28–35
  Ganesh Ramanathan, Simon Mayer
- Towards Agentic AI support for Hypermedia MAS Models of Smart Environments (short paper) 36–48
  Alexandru Sorici, Andrei Olaru, Adina Magda Florea
- Towards Web-based Autonomous Industrial Systems (short paper) 49–55
  Ganesh Ramanathan, Maria Husmann, Simon Mayer

### Session 3: Large Language Model (LLM) Support and Integration

- A Vision for LLM-based Interaction Assistance for Autonomous Agents on the Semantic Web (short paper) 56–65
  Danai Vachtsevanou, Jérémy Lemée, Valentina Tamma, Terry R. Payne, Andrei Ciortea, Simon Mayer
- Are LLMs and the Model Context Protocol Sufficient for Automating Web-based Information Processing? (short paper) 66–72
  Stephen Cranefield
- Converging Hypermedia, Protocols, and Knowledge Architectures: A New Paradigm for Grounded and Interoperable LLM-Agent Systems (short paper) 73–79
  Maksim Ilin

### Session 4: Interaction and Explainability

- CoCoMaMa: Contextual Combinatorial Multi-Armed Bandit Router for Multi-Agent Systems with Volatile Arms (short paper) 80–94
  Jonathan Rau, Jonathan Bader, Philipp Wiesner, Odej Kao
- A Vision on Algebraic Flows for Declarative Resource Descriptions (short paper) 95–102
  Jitse De Smet, Ruben Verborgh, Ruben Taelman
- Towards an Ontology for Uniform Representations of Agent State for Heterogeneous Inter-Agent Explanations (regular paper) 103–116
  Katharine Beaumont, Elena Yan, Rem Collier

2025-10-22: submitted by Andrei Ciortea, metadata incl. bibliographic data published under Creative Commons CC0
2025-10-30: published on CEUR Workshop Proceedings (CEUR-WS.org, ISSN 1613-0073) |valid HTML5|