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Junzhuo Gao

dblp:343/9654 · DBLP profile ↗
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2ranked-venue papers
2as first author
2since 2021 · last 2025
0009-0006-7301-3672ORCID · corroborated

Domains — the database's venue-derived domains; a paper can count in several

Databases, data management, data science and information retrieval · 1 · 1 first-author · 1 since 2021Graphics, computer vision, multimedia, augmented reality and games · 1 · 1 first-author · 1 since 2021

Expertise — from the expertise taxonomy: the topics of the expert's papers under the CCF categories. A weight counts papers with recency: 1 for a paper about the topic, 0.3 when the topic is its context, halved every five years.

Theoretical computer science
1 paper
Mathematical optimization · 100%
Computer architecture, parallel and distributed computing, and storage systems
1 paper
Distributed systems · 100%

Topics — the 3 heaviest of 3, each with the papers that count most for it

TopicWeightPapersLastEvidence papers
Distributed systems
distributed optimization
0.912025
Decentralized Nonconvex Low-rank Matrix Recovery · IEEE Trans. Image Process. 2025
Mathematical optimization › continuous optimization › matrix optimization › matrix recovery
low-rank matrix recovery
0.912025
Decentralized Nonconvex Low-rank Matrix Recovery · IEEE Trans. Image Process. 2025
Mathematical optimization
nonconvex optimization
0.912025
Decentralized Nonconvex Low-rank Matrix Recovery · IEEE Trans. Image Process. 2025

Methods — techniques the papers use, named apart from their topics

matrix factorization · 1.7gradient descent · 1.7alternating minimization · 1.7
YearPublicationVenuePosition
2025 Decentralized Nonconvex Low-rank Matrix Recovery
abstract
For the low-rank matrix recovery problem, algorithms that directly manipulate the low-rank matrix typically require computing the top singular values/vectors of the matrix and thus are computationally expensive. Matrix factorization is a computationally efficient nonconvex approach for low-rank matrix recovery, utilizing an alternating minimization or a gradient descent algorithm, and its theoretical properties have been investigated in recent years. However, the behavior of the factorization-based matrix recovery problem in the decentralized setting is still unknown when data are distributed on multiple nodes. In this paper, we consider the distributed gradient descent algorithm and establish its (local) linear convergence up to the approximation error. Numerical results are also presented to illustrate the convergence of the algorithm over a general network.
Junzhuo Gao, Heng Lian 0002
IEEE Trans. Image Process.1
2023 Communication-efficient distributed estimation of partially linear additive models for large-scale data
Junzhuo Gao, Lei Wang 0118
Inf. Sci.1