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Liangbei Xu

4 papers hereh-index 350 citations9 works total

Matching runs newest-first, so older work may not be attached to this profile yet.

author position
  • first author3
  • middle author1

Across the 4 of 4 papers where every author was matched, so the position is known.

fields
  • cs.DC1
  • cs.IR1
  • eess.AS1
  • stat.ML1

identity via Semantic Scholar / OpenAlex

activity
20162025
most citedDynamic matrix recovery from incomplete observations under an exact low-rank constraint

14 citations · 21 across the 4 of their papers we have counts for

collaborators

4 papers

cs.DC2025

Two-dimensional Sparse Parallelism for Large Scale Deep Learning Recommendation Model Training

Xin Zhang, Quanyu Zhu, Liangbei Xu +8

The increasing complexity of deep learning recommendation models (DLRM) has led to a growing need for large-scale distributed systems that can efficiently train vast amounts of dat…

eess.AS2025

Robust One-step Speech Enhancement via Consistency Distillation

Liang Xu, Longfei Felix Yan, W. Bastiaan Kleijn

Diffusion models have shown strong performance in speech enhancement, but their real-time applicability has been limited by multi-step iterative sampling. Consistency distillation…

cs.IR2020★ 7 cited

Dynamic Knowledge embedding and tracing

Liangbei Xu, Mark A. Davenport

The goal of knowledge tracing is to track the state of a student's knowledge as it evolves over time. This plays a fundamental role in understanding the learning process and is a k…

stat.ML2016★ 14 cited

Dynamic matrix recovery from incomplete observations under an exact low-rank constraint

Liangbei Xu, Mark A. Davenport

Low-rank matrix factorizations arise in a wide variety of applications -- including recommendation systems, topic models, and source separation, to name just a few. In these and ma…

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Not affiliated with arXiv. Researcher data from Semantic Scholar (ODC-BY) and OpenAlex.