Publications

You can also find my articles on my Google Scholar profile.

Conference Papers

ERASE - A Real-World Aligned Benchmark for Unlearning in Recommender Systems

Published in SIGIR '26, 2026

We present ERASE, a large-scale benchmark for machine unlearning in recommender systems designed to align with real-world usage, spanning collaborative filtering, session-based, and next-basket recommendation, covering seven unlearning algorithms across nine datasets and nine state-of-the-art models.

Recommended citation: Pierre Lubitzsch, Maarten de Rijke, Sebastian Schelter. (2026). "ERASE - A Real-World Aligned Benchmark for Unlearning in Recommender Systems." In Proceedings of the 49th International ACM SIGIR Conference on Research and Development in Information Retrieval (SIGIR '26), pp. 3310–3318.
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Towards a Real-World Aligned Benchmark for Unlearning in Recommender Systems

Published in FAccTRec@RecSys 2025, 2025

We propose design desiderata and research questions to guide the development of a realistic benchmark for machine unlearning in recommender systems, spanning multiple recommendation tasks and unlearning scenarios.

Recommended citation: Pierre Lubitzsch, Olga Ovcharenko, Hao Chen, Maarten de Rijke, Sebastian Schelter. (2025). "Towards a Real-World Aligned Benchmark for Unlearning in Recommender Systems." FAccTRec@RecSys 2025
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Preprints

Neighborhood-Aware Unlearning for Generative Recommendation

Published in arXiv preprint, 2026

We identify a previously overlooked failure mode in unlearning for generative recommenders using shared semantic identifiers, and propose Neighborhood-Aware Unlearning (NAU) to restore recommendation utility in the neighborhoods of forgotten interactions.

Recommended citation: Pierre Lubitzsch, Yubao Tang, Maarten de Rijke, Sebastian Schelter. (2026). "Neighborhood-Aware Unlearning for Generative Recommendation." arXiv preprint arXiv:2610.27232
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