Vol-2757⫷ Vol-2758 ⫸Vol-2759
urn:nbn:de:0074-2758-1

Copyright © 2020 for the individual papers by the papers' authors. Copyright © 2020 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 ) .

OHARS 2020
Online Misinformation- and Harm-Aware Recommender Systems 2020

Proceedings of the Workshop on Online Misinformation- and Harm-Aware Recommender Systems
co-located with 14th ACM Conference on Recommender Systems ( RecSys 2020 )

Rio de Janeiro, Brazil, September 25, 2020 .

Edited by

Antonela Tommasel *
Daniela Godoy *
Arkaitz Zubiaga **

* ISISTAN Research Institute ( CONICET / UNICEN ), Tandil, Argentina
** Queen Mary University of London , UK

Table of Contents

Workshop on Online Misinformation- and Harm-Aware Recommender Systems: Preface i-v
Antonela Tommasel , Daniela Godoy , Arkaitz Zubiaga

Invited talks

Mining Social Networks to Learn about Rumors, Hate Speech, Bias and Polarization - Abstract 1-2
Bárbara Poblete
Moderation Meets Recommendation: Perspectives on the Role of Policies in Harm-Aware Recommender Ecosystems - Abstract 3-3
Martha Larson

Research papers

TexTrolls: Identifying Trolls on Twitter with Textual and Affective Features 4-22
Bilal Ghanem , Davide Buscaldi , Paolo Rosso
A Nudge-based Recommender System Towards Responsible Online Socializing 23-39
Rim Ben Salem , Esma Aïmeur , Hicham Hage
Recommender Systems and Misinformation: The Problem or the Solution? 40-50
Miriam Fernandez , Alejandro Bellogín
Botcha: Detecting Malicious Non-Human Traffic in the Wild 51-59
Sunny Dhamnani , Ritwik Sinha , Vishwa Vinay , Lilly Kumari , Margarita Savova
Making Session-based News Recommenders Diversity-aware 60-66
Alireza Gharahighehi , Celine Vens

2020-11-13: submitted by Daniela Godoy, metadata incl. bibliographic data published under Creative Commons CC0
2020-12-03 : published on CEUR Workshop Proceedings (CEUR-WS.org, ISSN 1613-0073) | valid HTML5 |