KaRS-ComplexRec 2021
Joint Proceedings KaRS 2021 and ComplexRec 2021

Table of Contents

• 3rd Edition of Knowledge-aware and Conversational Recommender Systems (KaRS) & 5th Edition of Recommendation in Complex Environments (ComplexRec) Joint Workshop @ RecSys 2021
  Summary: There were 23 papers submitted for peer-review to the workshops. Out of these, 17 papers were accepted for this volume, 11 as regular papers and 6 as short papers (including position papers).

Keynote 1 (ComplexRec)

• Toward the Next Generation of News Recommender Systems (Abstract)
  Edward C. Malthouse

Session 1

• Group Match Prediction via Neural Networks (Long paper)
  Sunghyun Kim, Minje Jang, Changho Suh
• Reviews Are Gold!? On the Link between Item Reviews and Item Preferences (Long paper)
  Tobias Eichinger

Session 2

• On the Extraction and Use of Arguments in Recommender Systems: A Case Study in the E-participation Domain (Long paper)
  Andres Segura-Tinoco, Ivan Cantador
• Constraint-Aware Recommendation of Complex Items (Long paper)
  Mathias Uta, Alexander Felfernig, Denis Helic
• On the Need for a Body of Knowledge on Recommender Systems (Short paper)
  Juri Di Rocco, Davide Di Ruscio, Claudio Di Sipio, Phuong T. Nguyen, Claudio Pomo

Session 3

• Knowledge-Based Recommendations for Climbers (Short paper)
  Iustina Ivanova, Marina Andric, Francesco Ricci
• Target-guided Knowledge-aware Recommendation Dialogue System: An Empirical Investigation (Long paper)
  Dongding Lin, Jian Wang, Wenjie Li
• Enhancing Gazetteers for Named Entity Recognition in Conversational Recommender Systems (Long paper)
  Nicholas Dingwall, Vianne R. Gao

Keynote 2 (KaRS)

• How Can I Help You? Knowledge Graphs for Explainable Recommendation (Abstract)
  Gerard de Melo

Session 4

• Voicing Concerns: User-Specific Pitfalls of Favoring Voice over Text in Conversational Recommender Systems (Short paper)
  Alain D. Starke, Minha Lee
• GUApp: a Knowledge-aware Conversational Agent for Job Recommendation (Short paper)
  Giovanni Maria Biancofiore, Tommaso Di Noia, Eugenio Di Sciascio, Fedelucio Narducci, Paolo Pastore

Session 5

• Adherence and Constancy in LIME-RS Explanations for Recommendation (Long paper)
  Vito Walter Anelli, Alejandro Bellogin, Tommaso Di Noia, Francesco Maria Donini, Vincenzo Paparella, Claudio Pomo
• A General Model for Fair and Explainable Recommendation in the Loan Domain (Short paper)
  Giandomenico Cornacchia, Fedelucio Narducci, Azzurra Ragone
• Case Study on the Development of a Recommender for Apple Disease Diagnosis with a Knowledge-based Bayesian Network (Long paper)
  Gabriele Sottocornola, Sanja Baric, Fabio Stella, Markus Zanker
• LiGAN: Recommending Artificial Fillers for Police Photo Lineups (Short paper)
  Patrik Dokoupil, Ladislav Peska
• A General Aspect-Term-Extraction Model for Multi-Criteria Recommendations (Long paper)
  Paolo Pastore, Andrea Iovine, Fedelucio Narducci, Giovanni Semeraro
• Improving Media Content Recommendation with Automatic Annotations (Long paper)
  Ismail Harrando, Raphael Troncy
• Conversational Recommendations for Job Recruiters (Long paper)
  Francois Mentec, Zoltan Miklos, Sebastien Hervieu, Thierry Roger