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

@inproceedings{mohammadi-2026-minimalperturbation, author = {Amir Reza Mohammadi and Andreas Peintner and Michael M. M\"{u}ller and Eva Zangerle}, editor = {Hannah Bast and Alistair Moffat and Falk Scholer and Marc Najork and Min Zhang and Hannah Bast and Marc Najork and Min Zhang}, title = {{Minimal-Perturbation Counterfactuals through Guided Denoising Diffusion for Recommender Systems Explanation}}, booktitle = {{Proceedings of the 49th International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2026, MelbourneVICAustralia, July 20-24, 2026}}, pages = {1371--1381}, publisher = {ACM}, year = {2026}, url = {https://doi.org/10.1145/3805712.3809584}, doi = {https://doi.org/10.1145/3805712.3809584} }