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Pre-registration: histogram budget of coverage-aware chain ordering (FedDAC-Order) under record-level differential privacy

Year: 2026

Type: article

Abstract: Pre-registration of an experiment for the study 'Grouping or Ordering? Coverage-Aware Sequential Federated Learning under Label Skew'. Section 7 of ORDER_PLAN.md, the analysis script and the job grid were fixed at commit dde633521f3c50962ef1a61d43f51b94dc330020 of the study repository before any run of block L14; this record timestamps them. Primary hypothesis H5: at a total budget eps = 1 split as eps_h + eps_sgd, FedDAC-Order with the histogram budget eps_h selected on the validation split (from 0.05, 0.1, 0.25, 0.5) versus random grouping with random chain order (exact two-sided Wilcoxon over seeds 0-9, Holm over CIFAR-10 and MNIST), with a pre-stated reading of the deficit. Related pre-registration: 10.5281/zenodo.23722974. Code and results of the study: Zenodo DOI 10.5281/zenodo.22965988.

Source: Zenodo (CERN European Organization for Nuclear Research)

DOI: 10.5281/zenodo.23726866

Authors: Alasady Ali Salah, Norziana Jamil, Zuhaira Muhammad Zain, Ezedin Baraka, Wed Akeel Awadh

Institutions: University of Basrah, Universiti Tenaga Nasional, United Arab Emirates University, Princess Nourah bint Abdulrahman University

Language: English

Topic: Privacy-Preserving Technologies in Data

Subfield: Artificial Intelligence

Field: Computer Science

Domain: Physical Sciences

Open Access status: green

OpenAlex ID: W7224103863

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