We describe the PoliBaJukebox submission to the ACM RecSys Challenge 2026 on conversational music recommendation over the TalkPlayData 2 corpus. Our system implements a modular two-stage pipeline: a first stage retrieves candidates from the full track catalog using ten heterogeneous sources, fuses them with weighted Re...
Andrea Lops, Nicola Cipriani, Gabriele Colapinto et al.· Proceedings of the Workshop...· 1 citation
The Cellular Direct Search is introduced, a derivative-free optimization method inspired by the emergent dynamics of Cellular Automata that establishes CDS as a viable and interpretable paradigm for closed-box optimization tasks where gradient information is unavailable or unreliable.
Antonio Ferrara, Giuseppe Mariano Balducci, Tommaso Di Noia· IEEE Access· 0 citations
A systematic, cross-domain characterisation of data processing practices for the offline evaluation of recommender systems is provided, identifying substantial heterogeneity in how auxiliary information is prepared and represented, as well as inconsistencies in the specification of data splitting protocols.
Alberto Carlo Maria Mancino, Angela Di Fazio, Danilo Danese et al.· arXiv.org· 0 citations
Experimental results show the pipeline outperforms baselines in ranking, diversity, and explanations, proving that combining graph embeddings with agentic reasoning successfully bridges long-term profiles and immediate intent.
Marco Valentini, Bianca Di Bitetto, Gianmichele De Palma et al.· Proceedings of the Workshop...· 1 citation
AMIUGraph provides a clinically grounded and utility-driven benchmarking framework that jointly evaluates KGE and GNN models across multiple healthcare graph types and learning settings, and offers practical guidance for selecting graph-based models in medical decision-support systems.
P. Sorino, A. D. Bellis, Daniele Malitesta et al.· BMC Medical Informatics and...· 0 citations
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