| Vol-3986 urn:nbn:de:0074-3986-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).

# ROMCIR 2025
Reducing Online Misinformation through Credible Information Retrieval 2025

### Proceedings of the 5th Workshop on Reducing Online Misinformation through Credible Information Retrieval
co-located the 47th European Conference on Information Retrieval (ECIR 2025)

### Lucca, Italy, April 10, 2025.

Edited by

### Marco Viviani 1
Marinella Petrocchi 2
Udo Kruschwitz 3

1 Università degli Studi di Milano-Bicocca, Dipartimento di Informatica, Sistemistica e Comunicazione, Edificio U14 (ABACUS), Viale Sarca, 336 - 20126 Milan, Italy
2 Consiglio Nazionale delle Ricerche, Istituto di Informatica e Telematica, Via Giuseppe Moruzzi, 1 - 56124 Pisa, Italy
3 University of Regensburg, Information Science, Universitätsstraße, 31 - 93053 Regensburg, Germany

## Table of Contents

- Overview of ROMCIR 2025: The 5th Workshop on Reducing Online Misinformation through Credible Information Retrieval
  Summary: There were 12 papers submitted for peer-review to this workshop. Out of these, 6 papers were accepted for this volume, 4 as regular papers and 2 as short papers.

### Session 1: LLMs and Misinformation

- LLM Based Bilingual Rumor Verification Using Evidence From Authorities 1-10
  Alaaeddin Alia, Muhammad Taimoor Khan
- Towards Automated Fact-Checking of Real-World Claims: Exploring Task Formulation and Assessment with LLMs 11-23
  Premtim Sahitaj, Iffat Maab, Junichi Yamagishi, Jawan Kolanowski, Sebastian Möller, Vera Schmitt

### Session 2: Misinformation and Children

- Online Information Disorder & Children 24-38
  Hrishita Chakrabarti, Tobia Diletta Micol, Monica Landoni, Maria Soledad Pera
- 100 Queries: What do Dutch Children See on the Web 39-53
  Carsten Schnober, Maarten Sprenger

### Session 3: Misinformation Detection

- What about Language? A Multilingual Behavioural Study of User Engagement with Disinformation on X (short paper) 54-69
  Lorella Viola
- Beyond Fact-Checking: A Scalable, Domain-Agnostic, and Explainable System for Automated Fake News Detection (short paper) 70-78
  Marco Aspromonte, Giuseppe Contissa, Federico Galli, Andrea Loreggia

2025-06-17: submitted by Gregor Donabauer, metadata incl. bibliographic data published under Creative Commons CC0
2025-06-30: published on CEUR Workshop Proceedings (CEUR-WS.org, ISSN 1613-0073) |valid HTML5|