Vol-2959
urn:nbn:de:0074-2959-1

Copyright © 2021 for the individual papers by the papers' authors. Copyright © 2021 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).

MORS 2021
Multi-Objective Recommender Systems 2021

Proceedings of the 1st Workshop on Multi-Objective Recommender Systems (MORS 2021)
co-located with 15th ACM Conference on Recommender Systems (RecSys 2021)

Amsterdam, The Netherlands, September 25, 2021.

Edited by

Himan Abdollahpouri *
Mehdi Elahi
Masoud Mansoury *
Shaghayegh Sahebi ****
Zahra Nazari *
Allison Chaney *
Babak Loni **

* Spotify, USA
** University of Bergen, Norway
*** University of Amsterdam, the Netherlands
**** University at Albany, State University of New York, USA
***** Duke University, USA
****** ING Group, The Netherlands

Table of Contents

Session 1: Welcome and Introduction

MORS 2021 - 1st Workshop on Multi-Objective Recommender Systems
Himan Abdollahpouri, Mehdi Elahi, Masoud Mansoury, Shaghayegh Sahebi, Zahra Nazari, Allison Chaney, Babak Loni

Session 2

Optimization Levers for Promotions Personalization Under Limited Budget (long)
Dmitri Goldenberg, Javier Albert, Guy Tsype
The Cholesterol Factor: Balancing Accuracy and Health in Recipe Recommendation Through a Nutrient-Specific Metric (short)
Alain Starke, Christoph Trattner, Hedda Bakken, Martin Johannessen, Vegard Solberg
A Unified Optimization Toolbox for Solving Popularity Bias, Fairness, and Diversity in Recommender Systems (short)
Sinan Seymen, Himan Abdollahpouri, Edward Carl Malthouse

Session 3

Juggler: Multi-Stakeholder Ranking with Meta-Learning (long)
Tiago Cunha, Ioannis Partalas, Phong Nguyen
Evaluating Music Recommendations with Binary Feedback for Multiple Stakeholders (short)
Sasha Seymen, Hongyi Wen
Multiobjective Recommendation for Sustainable Production Systems (short)
Arnault Pachot, Adelaide Albouy-Kissi, Benjamin Albouy-Kissi, Frederic Chausse
Momentum-based Gradient Methods in Multi-Objective Recommendation (short)
Blagoj Mitrevski, Milena Filipovic, Emma Lejal Glaude, Boi Faltings, Claudiu Musat

2021-09-25: submitted by Babak Loni, metadata incl. bibliographic data published under Creative Commons CC0
2021-09-28: published on CEUR Workshop Proceedings (CEUR-WS.org, ISSN 1613-0073) |valid HTML5|