FedCGR: Federated Cross-Domain Generative Recommendation
Cross-domain recommendation (CDR) transfers preference knowledge across related domains, but federated deployment makes cross-domain alignment difficult because the behavioral anchors that align item spaces, such as overlapping users and shared interaction signals, are often sparse, unavailable, or privacy-sensitive across clients. To address this tension, we revisit federated CDR as generation over a stable semantic item language. By representing items as discrete semantic ID (SID) sequences de
Record details
Published: 11 August 2026
Source: arXiv
Category: Research
Topics: Safety & alignment · Privacy
Retrieved: 12 August 2026
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ethics.ai (11 August 2026), “FedCGR: Federated Cross-Domain Generative Recommendation,” evidence record 18410, https://ethics.ai/record/18410 (originally published by arXiv).
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