Xumei Xi

11 papers A 2B 1Journal 7Unranked 1
YearRankTypeTitle / Venue / Authors
2025 A conf
Entry-Specific Matrix Estimation Under Arbitrary Sampling Patterns Through the Lens of Network Flows (Extended Abstract).
ITCS
Yudong Chen, Xumei Xi, Christina Lee Yu
2024 J jnl
Entry-Specific Bounds for Low-Rank Matrix Completion under Highly Non-Uniform Sampling.
CoRR
Xumei Xi, Christina Lee Yu, Yudong Chen
2024 J jnl
Entry-Specific Matrix Estimation under Arbitrary Sampling Patterns through the Lens of Network Flows.
CoRR
Yudong Chen, Xumei Xi, Christina Lee Yu
2024 J jnl
Local Minima Structures in Gaussian Mixture Models.
IEEE Trans. Inf. Theory
Yudong Chen, Dogyoon Song, Xumei Xi, Yuqian Zhang
2023 B conf
Entry-Specific Bounds for Low-Rank Matrix Completion under Highly Non-Uniform Sampling.
ISIT
Xumei Xi, Christina Lee Yu, Yudong Chen
2023 A conf
Integrating Offline Reinforcement Learning with Transformers for Sequential Recommendation.
RecSys
Xumei Xi, Yuke Zhao, Quan Liu, Liwen Ouyang, Yang Wu
2023 J jnl
Integrating Offline Reinforcement Learning with Transformers for Sequential Recommendation.
CoRR
Xumei Xi, Yuke Zhao, Quan Liu, Liwen Ouyang, Yang Wu
2023 J jnl
Matrix Estimation for Offline Reinforcement Learning with Low-Rank Structure.
CoRR
Xumei Xi, Christina Lee Yu, Yudong Chen
2022 — conf
Tensor Completion with Nearly Linear Samples Given Weak Side Information.
SIGMETRICS (Abstracts)
Christina Lee Yu, Xumei Xi
2022 J jnl
Tensor Completion with Nearly Linear Samples Given Weak Side Information.
Proc. ACM Meas. Anal. Comput. Syst.
Christina Lee Yu, Xumei Xi
2020 J jnl
Likelihood Landscape and Local Minima Structures of Gaussian Mixture Models.
CoRR
Yudong Chen, Xumei Xi