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VFDV-IM: An Efficient and Securely Vertical Federated Data Valuation
Zhou, Xiaokai1; Yan, Xiao2; Li, Xinyan1; Huang, Hao1; Xu, Quanqing3; Zhang, Qinbo1; Jerome, Yen4; Cai, Zhaohui1; Jiang, Jiawei1
2024
Conference Name29th International Conference on Database Systems for Advanced Applications, DASFAA 2024
Source PublicationLecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)
Volume14850 LNCS
Pages409-424
Conference Date2 July 2024through 5 July 2024
Conference PlaceGifu
PublisherSpringer Science and Business Media Deutschland GmbH
Abstract

Vertical federated learning enables multiple participants to build a joint machine learning model upon distributed features of overlapping samples. The performance of VFL models heavily depends on the quality of participants’ local data. It’s essential to measure the contributions of the participants for various purposes, e.g., participant selection and reward allocation. The Shapley value is widely adopted by previous works for contribution assessment. However, computing the Shapley value in VFL requires repetitive model training from scratch, incurring expensive computation and communication overheads. Inspired by this challenge, in this paper, we ask: can we efficiently and securely perform data valuation for participants via the Shapley value in VFL? We call this problem Vertical Federated Data Valuation, and introduce VFDV-IM, a method utilizing an Inheritance Mechanism to expedite Shapley value calculations by leveraging historical training records. We first propose a simple, yet effective, strategy that directly inherits the model trained over the entire consortium. To further optimize VFDV-IM, we propose a model ensemble approach that measures the similarity of evaluated consortiums, based on which we reweight the historical models. We conduct extensive experiments on various datasets and show that our VFDV-IM can efficiently calculate the Shapley value while maintaining accuracy.

KeywordData Valuation Vertical Federated Learning
DOI10.1007/978-981-97-5552-3_28
URLView the original
Language英語English
Scopus ID2-s2.0-85206386695
Fulltext Access
Citation statistics
Document TypeConference paper
CollectionUniversity of Macau
Affiliation1.Wuhan University, Wuhan, Hubei Province, China
2.Centre for Perceptual and Interactive Intelligence (CPII), Hong Kong
3.OceanBase Ant Group, China
4.The University of Macau, Macao
Recommended Citation
GB/T 7714
Zhou, Xiaokai,Yan, Xiao,Li, Xinyan,et al. VFDV-IM: An Efficient and Securely Vertical Federated Data Valuation[C]:Springer Science and Business Media Deutschland GmbH, 2024, 409-424.
APA Zhou, Xiaokai., Yan, Xiao., Li, Xinyan., Huang, Hao., Xu, Quanqing., Zhang, Qinbo., Jerome, Yen., Cai, Zhaohui., & Jiang, Jiawei (2024). VFDV-IM: An Efficient and Securely Vertical Federated Data Valuation. Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics), 14850 LNCS, 409-424.
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