| Vol-3294 urn:nbn:de:0074-3294-2 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).

# KaRS 2022
Knowledge-aware and Conversational Recommender Systems 2022

### Proceedings of the Fourth Knowledge-aware and Conversational Recommender Systems Workshop
co-located with 16th ACM Conference on Recommender Systems (RecSys 2022)

### Seattle, WA, USA, September 22nd, 2022.

Edited by

### Vito Walter Anelli *
Pierpaolo Basile **
Gerard De Melo ***
Francesco Maria Donini ****
Antonio Ferrara *
Cataldo Musto **
Fedelucio Narducci *
Azzurra Ragone **
Markus Zanker *****

* Polytechnic University of Bari, Italy
** University of Bari Aldo Moro, Italy
*** Hasso Plattner Institute, Germany and University of Potsdam, Germany
**** University of Tuscia, Italy
***** Free University of Bozen-Bolzano, Italy

## Table of Contents

- Fourth Knowledge-aware and Conversational Recommender Systems Workshop (KaRS 2022) 1-5
  Vito Walter Anelli, Pierpaolo Basile, Gerard De Melo, Francesco Maria Donini, Antonio Ferrara, Cataldo Musto, Fedelucio Narducci, Azzurra Ragone, Markus Zanker
  Summary: There were 17 papers submitted for peer-review to this workshop. Out of these, 12 papers were accepted for this volume, 7 as regular papers and 5 as short papers.

### Session 1

- INFACT: An Online Human Evaluation Framework for Conversational Recommendation (short paper) 6-11
  Ahtsham Manzoor, Dietmar Jannach
- Combining IGA and KG for Serendipitous Learning Contents Recommendation (short paper) 12-17
  Emmanuel Ayedoun, Satoko Inoue, Hiroshi Takenouchi, Masataka Tokumaru
- Are User-Generated Item Reviews Actually Beneficial for Recommendation? (short paper) 17-22
  Tzu-Hua Kao, Lea Dahm, Tobias Eichinger
- Revisiting the performance evaluation of knowledge-aware recommender systems: are we making progress? (short paper) 22-28
  Marina Ananyeva, Oleg Lashinin, Maria Kuznetsova

### Keynote

- Next-Generation Intelligent Assistants for AR/VR Devices
  Xin Luna Dong

### Session 2

- Nudging Towards Health in a Conversational Food Recommender System Using Multi-Modal Interactions and Nutrition Labels 29-35
  Giovanni Castiglia, Ayoub El Majjodi, Federica Calò, Yashar Deldjoo, Fedelucio Narducci, Alain Starke, Christoph Trattner
- A Nonparametric Contextual Bandit with Arm-level Eligibility Control for Customer Service Routing 36-44
  Ruofeng Wen, Wenjun Zeng, Yi Liu
- Combining Unstructured Content and Knowledge Graphs into Recommendation Datasets (short paper) 45-52
  Weizhe Lin, Linjun Shou, Ming Gong, Jian Pei, Zhilin Wang, Bill Byrne, Daxin Jiang
- Transformer-Empowered Content-Aware Collaborative Filtering 53-64
  Weizhe Lin, Linjun Shou, Ming Gong, Jian Pei, Zhilin Wang, Bill Byrne, Daxin Jiang

### Session 3

- Optimizing Semantic Enrichment of Biomedical Content through Knowledge Sharing 65-72
  Asim Abbas, Steve Mbouadeu, Avinash Bisram, Nadeem Iqbal, Fazel Keshtkar, Syed Ahmad Chan Bukhari
- INSPIRED2: An Improved Dataset for Sociable Conversational Recommendation 73-80
  Ahtsham Manzoor, Dietmar Jannach
- Meta-Intents in Conversational Recommender Systems 81-90
  Yuan Ma, Tim Donkers, Timm Kleemann, Jürgen Ziegler
- Performance Predictors for Conversational Fashion Recommendation 91-100
  Maria Vlachou, Craig Macdonald

2022-11-22: submitted by Antonio Ferrara, metadata incl. bibliographic data published under Creative Commons CC0
2022-12-04: published on CEUR Workshop Proceedings (CEUR-WS.org, ISSN 1613-0073) |valid HTML5|