| Vol-3138 urn:nbn:de:0074-3138-8 Copyright © 2022 for the individual papers by the papers' authors. Copyright © 2022 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 2022
Reducing Online Misinformation through Credible Information Retrieval 2022

### Proceedings of the 2nd Workshop Reducing Online Misinformation through Credible Information Retrieval 2022
co-located with The 44th European Conference on Information Retrieval (ECIR 2022)

### Stavanger, Norway, April 10, 2022.

Edited by

### Marinella Petrocchi *
Marco Viviani **

* Institute of Informatics and Telematics of the National Research Council, Via Giuseppe Moruzzi, 1 - 56124 Pisa, Italy
** Università degli Studi di Milano-Bicocca, Department of Informatics, Systems, and Communication, Edificio U14, Viale Sarca, 336 - 20126 Milan, Italy

## Table of Contents

- Overview of ROMCIR 2022:The 2nd Workshop on Reducing Online Misinformation through Credible Information Retrieval
  An overview of the issues and solutions discussed in the Workshop is presented.
  Accepted papers are discussed and information about the keynote speakers and organizers of the Workshop is provided.
  In summary, there were 10 papers submitted for peer-review to this workshop. Out of these, 6 papers were accepted for this volume, as regular papers.

### Session 1: Health Misinformation

- Using Keyqueries to Reduce Misinformation in Health-Related Search Results 1-10
  Maik Fröbe, Sebastian Günther, Alexander Bondarenko, Johannes Huck, Matthias Hagen
- Fight Against COVID-19 Misinformation via Clustering-Based Subset Selection Fusion Methods 11-26
  Yidong Huang, Qiuyu Xu, Shengli Wu, Christopher Nugent, Adrian Moore
- Suspicious Sentence Detection and Claim Verification in the COVID-19 Domain 27-47
  Elitsa Pankovska, Konstantin Schulz, Georg Rehm
- Cognitive Security and Resilience: A Social Ecological Model of Disinformation and other Harms with Applications to COVID-19 Vaccine Information Behaviors 48-88
  Shawn Janzen, Carolin Orr, Sara-Jayne Terp

### Session 2: Multi-modal Information Genuineness

- An Alternative Approach to Ranking Videos and Measuring Dissimilarity Between Video Content and Titles 89-99
  Kalp Abhinn Aghada
- Towards Characterizing Coordinated Inauthentic Behaviors on YouTube 100-116
  Baris Kirdemir, Oluwaseyi Adeliyi, Nitin Agarwal

2022-04-22: submitted by Marco Viviani, Rishabh Upadhyay metadata incl. bibliographic data published under Creative Commons CC0
2022-05-20: published on CEUR Workshop Proceedings (CEUR-WS.org, ISSN 1613-0073) |valid HTML5|