Publications

• A Stochastic Programming Approach for an Enhanced Performance of a Multi-committees Byzantine Fault Tolerant Algorithm. Yifei Xie, Btissam Er-Rahmadi, Xiao Chen, Tiejun Ma, Jane Hillston. European Conference on Parallel and Distributed Computing (Euro-Par 2022).

• TSPRank: Bridging Pairwise and Listwise Methods with a Bilinear Travelling Salesman Model. Weixian Waylon Li, Yftah Ziser, Yifei Xie, Shay B. Cohen, Tiejun Ma. ACM SIGKDD 2025.

Under review

• Stochastic Programming-based Optimization Model for the Committee Configuration of Parallel Consensus in Sharded Blockchain.

• FedAdaVR: Adaptive Variance Reduction for Robust Federated Learning under Limited Client Participation.

To be submitted

• Optimizing View Change for Byzantine Fault Tolerance in Parallel Consensus.

Working paper

• Adaptive Robust Optimization for Trusted Parallel Byzantine Consensus.