Publications

21 papers

Beyond Top-1: Addressing Inconsistencies in Evaluating Counterfactual Explanations for Recommender Systems (Extended Abstract)

Authors: Amir Reza Mohammadi, Andreas Peintner, Michael Müller, Eva Zangerle

Proceedings of the Thirty-Fifth International Joint Conference on Artificial Intelligence (IJCAI-26), Sister Conferences Best Papers • 2026

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Measuring What Matters: Consistency and Compactness in Evaluation of Counterfactual Explanations

Authors: Amir Reza Mohammadi, Andreas Peintner, Michael Müller, Eva Zangerle

ACM Transactions on Recommender Systems • 2026

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Minimal-Perturbation Counterfactuals through Guided Denoising Diffusion for Recommender Systems Explanation

Authors: Amir Reza Mohammadi, Andreas Peintner, Michael Müller, Eva Zangerle

Proceedings of the 49th International ACM SIGIR Conference on Research and Development in Information Retrieval • 2026

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Can Third-Party Annotators Reliably Evaluate Conversational Recommender Systems?

Authors: Michael Müller, Amir Reza Mohammadi, Andreas Peintner, Beatriz Barroso Gstrein, Günther Specht, Eva Zangerle

Proceedings of the 34th ACM Conference on User Modeling, Adaptation and Personalization • 2026

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On the Reliability of User-Centric Evaluation of Conversational Recommender Systems

Authors: Michael Müller, Amir Reza Mohammadi, Andreas Peintner, Beatriz Barroso Gstrein, Günther Specht, Eva Zangerle

arXiv preprint arXiv:2602.17264 • 2026

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Efficient Session-based Recommendation with Contrastive Graph-based Shortest Path Search

Authors: Andreas Peintner, Amir Reza Mohammadi, Eva Zangerle

ACM Transactions on Recommender Systems • 2025

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Sequential Recommendation – A Graph-based Perspective (PhD Thesis)

Authors: Andreas Peintner

University of Innsbruck, Department of Computer Science • 2025

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Beyond Top-1: Addressing Inconsistencies in Evaluating Counterfactual Explanations for Recommender Systems

Authors: Amir Reza Mohammadi, Andreas Peintner, Michael Müller, Eva Zangerle

Proceedings of the Nineteenth ACM Conference on Recommender Systems • 2025🏆 Best Short Paper Award

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Quantitative Assessment of GNN Counterfactual Explanation Robustness and Reproducibility under Adversarial Influence

Authors: Amir Reza Mohammadi, Michael Müller, Andreas Peintner, Beatriz Barroso Gstrein, Eva Zangerle, Günther Specht

36th GI-Workshop Grundlagen von Datenbanken (GvDB 2025) • 2025

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Yearning for Better Metrics: Revisiting the ReDial Dataset for Evaluating Conversational Recommender Systems

Authors: Michael Müller, Amir Reza Mohammadi, Andreas Peintner, Beatriz Barroso Gstrein, Eva Zangerle, Günther Specht

36th GI-Workshop Grundlagen von Datenbanken (GvDB 2025) • 2025

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Nuanced Music Emotion Recognition via a Semi-Supervised Multi-Relational Graph Neural Network

Authors: Andreas Peintner, Marta Moscati, Yu Kinoshita, Richard Vogl, Peter Knees, Markus Schedl, Hannah Strauss, Marcel Zentner, Eva Zangerle

Transactions of the International Society for Music Information Retrieval (8) • 2025

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Hypergraph-based Temporal Modelling of Repeated Intent for Sequential Recommendation

Authors: Andreas Peintner, Amir Reza Mohammadi, Michael Müller, Eva Zangerle

Proceedings of the ACM on Web Conference 2025 • 2025

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Unternehmensleitung in der Aktiengesellschaft und Künstliche Intelligenz

Authors: Simon Ewerz, Andreas Peintner

wbl - Wirtschaftsrechtliche Blätter 2024, 697 • 2024

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Are We Explaining the Same Recommenders? Incorporating Recommender Performance for Evaluating Explainers

Authors: Amir Reza Mohammadi, Andreas Peintner, Michael Müller, Eva Zangerle

Proceedings of the 18th ACM Conference on Recommender Systems • 2024

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Emotion-Based Music Recommendation from Quality Annotations and Large-Scale User-Generated Tags

Authors: Marta Moscati, Hannah Strauß, Peer-Ole Jacobsen, Andreas Peintner, Eva Zangerle, Marcel Zentner, Markus Schedl

Proceedings of the 32nd ACM Conference on User Modeling, Adaptation and Personalization • 2024

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SPARE - Shortest Path Global Item Relations for Efficient Session-based Recommendation

Authors: Andreas Peintner, Amir Reza Mohammadi, Eva Zangerle

Proceedings of the 17th ACM Conference on Recommender Systems • 2023

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Sequential Recommendation Models - A Graph-based Perspective

Authors: Andreas Peintner

Proceedings of the 17th ACM Conference on Recommender Systems • 2023

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Unsupervised Graph Embeddings for Session-based Recommendation with Item Features

Authors: Andreas Peintner, Marta Moscati, Emilia Parada-Cabaleiro, Markus Schedl, Eva Zangerle

CARS: Workshop on Context-Aware Recommender Systems (RecSys ’22) • 2022

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Recognizing Song Mood and Theme: Clustering-based Ensembles

Authors: Maximilian Mayerl, Michael Vötter, Andreas Peintner, Günther Specht, Eva Zangerle

Working Notes Proceedings of the MediaEval 2021 Workshop • 2021

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Automated spheroid generation, drug application and efficacy screening using a deep learning classification: a feasibility study

Authors: Leo Benning, Andreas Peintner, Günter Finkenzeller, Lukas Peintner

Scientific Reports • 2020

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