no code implementations • 1 May 2024 • Liu Yang, Shuowei Cai, Di Chai, Junxue Zhang, Han Tian, Yilun Jin, Kun Guo, Kai Chen, Qiang Yang
To this core, we propose PackVFL, an efficient VFL framework based on packed HE (PackedHE), to accelerate the existing HE-based VFL algorithms.
1 code implementation • 23 Aug 2023 • Di Chai, Leye Wang, Liu Yang, Junxue Zhang, Kai Chen, Qiang Yang
Evaluation is a systematic approach to assessing how well a system achieves its intended purpose.
1 code implementation • 7 Jun 2023 • Jiangyi Fang, Liyue Chen, Di Chai, Yayao Hong, Xiuhuai Xie, Longbiao Chen, Leye Wang
To address these issues, we design and implement a spatiotemporal crowd flow prediction toolbox called UCTB (Urban Computing Tool Box), which integrates multiple spatiotemporal domain knowledge and state-of-the-art models simultaneously.
no code implementations • 4 Apr 2023 • Liu Yang, Di Chai, Junxue Zhang, Yilun Jin, Leye Wang, Hao liu, Han Tian, Qian Xu, Kai Chen
From the hardware layer to the vertical federated system layer, researchers contribute to various aspects of VFL.
no code implementations • 28 Jun 2022 • Shuowei Cai, Di Chai, Liu Yang, Junxue Zhang, Yilun Jin, Leye Wang, Kun Guo, Kai Chen
In this paper, we focus on SplitNN, a well-known neural network framework in VFL, and identify a trade-off between data security and model performance in SplitNN.
no code implementations • 18 Aug 2021 • Liu Yang, Junxue Zhang, Di Chai, Leye Wang, Kun Guo, Kai Chen, Qiang Yang
In this paper, we proposed federated masked matrix factorization (FedMMF) to protect the data privacy in federated recommender systems without sacrificing efficiency and effectiveness.
no code implementations • 16 Aug 2021 • Cengguang Zhang, Junxue Zhang, Di Chai, Kai Chen
In this paper, we present Aegis, a trusted, automatic, and accurate verification framework to verify the security of VFL jobs.
no code implementations • 19 Nov 2020 • Di Chai, Leye Wang, Liu Yang, Junxue Zhang, Kai Chen, Qiang Yang
In this paper, we propose a holistic evaluation framework for FL called FedEval, and present a benchmarking study on seven state-of-the-art FL algorithms.
1 code implementation • 20 Sep 2020 • Leye Wang, Di Chai, Xuanzhe Liu, Liyue Chen, Kai Chen
The Spatio-Temporal Traffic Prediction (STTP) problem is a classical problem with plenty of prior research efforts that benefit from traditional statistical learning and recent deep learning approaches.
no code implementations • 12 Jun 2019 • Di Chai, Leye Wang, Kai Chen, Qiang Yang
The key principle of federated learning is training a machine learning model without needing to know each user's personal raw private data.
1 code implementation • 28 Jul 2018 • Di Chai, Leye Wang, Qiang Yang
We propose a new multi-graph convolutional neural network model to predict the bike flow at station-level, where the key novelty is viewing the bike sharing system from the graph perspective.