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Single-cell RNA-seq foundation models achieve strong performance on downstream tasks but remain black boxes, limiting their utility for biological discovery. Recent work has shown that sparse dictionary learning can extract concepts from…

基因组学 · 定量生物学 2025-10-31 Charlotte Claye , Pierre Marschall , Wassila Ouerdane , Céline Hudelot , Julien Duquesne

State-of-the-art federated learning methods can perform far worse than their centralized counterparts when clients have dissimilar data distributions. For neural networks, even when centralized SGD easily finds a solution that is…

机器学习 · 计算机科学 2022-10-06 Yaodong Yu , Alexander Wei , Sai Praneeth Karimireddy , Yi Ma , Michael I. Jordan

Fine-tuning pre-trained models is a popular approach in machine learning for solving complex tasks with moderate data. However, fine-tuning the entire pre-trained model is ineffective in federated data scenarios where local data…

机器学习 · 计算机科学 2025-02-28 Pei-Yau Weng , Minh Hoang , Lam M. Nguyen , My T. Thai , Tsui-Wei Weng , Trong Nghia Hoang

Federated learning allows a large number of devices to jointly learn a model without sharing data. In this work, we enable clients with limited computing power to perform action recognition, a computationally heavy task. We first perform…

分布式、并行与集群计算 · 计算机科学 2021-07-27 Pranjal Jain , Shreyas Goenka , Saurabh Bagchi , Biplab Banerjee , Somali Chaterji

Federated learning (FL) has emerged as a widely adopted training paradigm for privacy-preserving machine learning. While the SGD-based FL algorithms have demonstrated considerable success in the past, there is a growing trend towards…

机器学习 · 计算机科学 2024-07-29 Yujia Wang , Shiqiang Wang , Songtao Lu , Jinghui Chen

The increasing adoption of large language models (LLMs) necessitates inference serving systems that can deliver both high throughput and low latency. Deploying LLMs with hundreds of billions of parameters on memory-constrained GPUs exposes…

分布式、并行与集群计算 · 计算机科学 2025-03-10 Bowen Pang , Kai Li , Feifan Wang

A central goal in systems biology and drug discovery is to predict the transcriptional response of cells to perturbations. This task is challenging due to the noisy and sparse nature of single-cell measurements, as well as the fact that…

定量方法 · 定量生物学 2026-02-10 Chenglei Yu , Chuanrui Wang , Bangyan Liao , Tailin Wu

Single-cell RNA-sequencing (scRNA-seq) has become a routinely used technique to quantify the gene expression profile of thousands of single cells simultaneously. Analysis of scRNA-seq data plays an important role in the study of cell states…

基因组学 · 定量生物学 2022-10-13 Matthew Brendel , Chang Su , Zilong Bai , Hao Zhang , Olivier Elemento , Fei Wang

Large language models (LLMs) have demonstrated remarkable advancements, primarily due to their capabilities in modeling the hidden relationships within text sequences. This innovation presents a unique opportunity in the field of life…

基因组学 · 定量生物学 2024-12-25 Cong Li , Qingqing Long , Yuanchun Zhou , Meng Xiao

Predicting drug-induced cellular state changes at single-cell resolution remains a central challenge in virtual cell modeling, particularly under out-of-distribution (OOD) conditions. Current approaches predominantly rely on RNA-based…

基因组学 · 定量生物学 2026-05-18 Peiting Shi , Ningfeng Que , Xianzhe Huang , Xiaofei Wang , Jianzhong Jeff Xi

This work presents a new method for enhancing communication efficiency in stochastic Federated Learning that trains over-parameterized random networks. In this setting, a binary mask is optimized instead of the model weights, which are kept…

机器学习 · 计算机科学 2024-03-01 Mohamad Mestoukirdi , Omid Esrafilian , David Gesbert , Qianrui Li , Nicolas Gresset

While single-cell RNA sequencing provides an understanding of the transcriptome of individual cells, its high sparsity, often termed dropout, hampers the capture of significant cell-cell relationships. Here, we propose scFP (single-cell…

计算工程、金融与科学 · 计算机科学 2023-07-24 Sukwon Yun , Junseok Lee , Chanyoung Park

Reasoning is a key component of language understanding in Large Language Models. While Chain-of-Thought prompting enhances performance via explicit intermediate steps, it suffers from sufficient token overhead and a fixed reasoning…

计算与语言 · 计算机科学 2025-11-18 Xinyuan Wang , Dongjie Wang , Wangyang Ying , Haoyue Bai , Nanxu Gong , Sixun Dong , Kunpeng Liu , Yanjie Fu

Neural networks often struggle with catastrophic forgetting when learning sequences of tasks or data streams, unlike humans who can continuously learn and consolidate new concepts even in the absence of explicit cues. Online…

计算机视觉与模式识别 · 计算机科学 2025-06-27 Murat Onur Yildirim , Elif Ceren Gok Yildirim , Decebal Constantin Mocanu , Joaquin Vanschoren

As an emerging paradigm of federated learning, asynchronous federated learning offers significant speed advantages over traditional synchronous federated learning. Unlike synchronous federated learning, which requires waiting for all…

机器学习 · 计算机科学 2025-04-10 Chaoyi Lu , Yiding Sun , Pengbo Li , Zhichuan Yang

Synthetic data augmentation has emerged as a promising solution when pre-training is constrained by data rather than compute. We study how to design synthetic data algorithms that achieve better loss scaling: not only lowering loss at…

机器学习 · 计算机科学 2026-03-20 Konwoo Kim , Suhas Kotha , Yejin Choi , Tatsunori Hashimoto , Nick Haber , Percy Liang

Healthcare fraud detection remains a critical challenge due to limited availability of labeled data, constantly evolving fraud tactics, and the high dimensionality of medical records. Traditional supervised methods are challenged by extreme…

Federated learning enables training machine learning models while preserving the privacy of participants. Surprisingly, there is no differentially private distributed method for smooth, non-convex optimization problems. The reason is that…

机器学习 · 计算机科学 2025-02-20 Egor Shulgin , Sarit Khirirat , Peter Richtárik

In deep learning, mini-batch training is commonly used to optimize network parameters. However, the traditional mini-batch method may not learn the under-represented samples and complex patterns in the data, leading to a longer time for…

计算机视觉与模式识别 · 计算机科学 2023-04-10 Subin Sahayam , John Zakkam , Umarani Jayaraman

Pre-trained transformer models shine in many natural language processing tasks and therefore are expected to bear the representation of the input sentence or text meaning. These sentence-level embeddings are also important in…

计算与语言 · 计算机科学 2025-02-21 Lukas Stankevičius , Mantas Lukoševičius