| Vol-2439 urn:nbn:de:0074-2439-2 Copyright © 2019 for the individual papers by the papers' authors. Copyright © 2019 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).

# HealthRecSys 2019
Health Recommender Systems 2019

### Proceedings of the 4th International Workshop on Health Recommender Systems
co-located with the 13th ACM Conference on Recommender Systems 2019 (RecSys 2019)

### Copenhagen, Denmark, September 20, 2019.

Edited by

### David Elsweiler (1)
Bernd Ludwig (2)
Alan Said (3)
Hanna Schäfer (4)
Helma Torkamaan (5)
Christoph Trattner (6)

(1) University of Regensburg, Germany
(2) University of Regensburg, Germany
(3) University of Gothenburg, Sweden
(4) University of Konstanz, Germany
(5) University of Duisburg-Essen, Germany
(6) University of Bergen, Norway

## Table of Contents

- Preface

### Invited Talk

- Keynote Abstract: Inspiring Healthy Habits: Data Science at WW 1
  Carl Anderson

### Papers

- Utilizing Collaborative Filtering to Recommend Opportunities for Positive Affect in daily life 2-3
  Panote Siriaraya, Kenta Suzuki and Shinsuke Nakajima
- Personalized, Health-Aware Recipe Recommendation: An Ensemble Topic Modeling Based Approach 4-10
  Mansura A. Khan, Ellen Rushe, Barry Smyth and David Coyle
- Rethinking hearing aids as recommender systems 11-17
  Alessandro Pasta, Michael Kai Petersen, Kasper Juul Jensen and Jakob Eg Larsen
- Evolutionary approach for ’healthy bundle’ wellbeing recommendations 18-23
  Hugo Alcaraz-Herrera and Iván Palomares
- An Evaluation of Recommendation Algorithms for Online Recipe Portals 24-28
  Christoph Trattner and David Elsweiler
- RecSys Challenges in achieving sustainable eating habits 29-30
  Alain Starke

Download the HealthRecSys 2019 proceedings as a single PDF file (5 Mb) or download the HealthRecSys 2019 proceedings separate files, all in a zip (5 Mb)

2019-09-11: submitted by Helma Torkamaan, metadata incl. bibliographic data published under Creative Commons CC0
2019-09-11: published on CEUR-WS.org |valid HTML5|