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Related papers: Temporal fine-tuning for early risk detection

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The widespread application of Electronic Health Records (EHR) data in the medical field has led to early successes in disease risk prediction using deep learning methods. These methods typically require extensive data for training due to…

Machine Learning · Computer Science 2024-11-28 Shibo Li , Hengliang Cheng , Weihua Li

Deep neural networks are likely to fail when the test data is corrupted in real-world deployment (e.g., blur, weather, etc.). Test-time optimization is an effective way that adapts models to generalize to corrupted data during testing,…

Computer Vision and Pattern Recognition · Computer Science 2023-03-01 Chenyu Yi , Siyuan Yang , Yufei Wang , Haoliang Li , Yap-Peng Tan , Alex C. Kot

With the rise of medical foundation models and the growing availability of imaging data, scalable pretraining techniques offer a promising way to identify imaging biomarkers predictive of future disease risk. While current self-supervised…

Objective: Temporal electronic health records (EHRs) can be a wealth of information for secondary uses, such as clinical events prediction or chronic disease management. However, challenges exist for temporal data representation. We…

Machine Learning · Computer Science 2024-06-11 Feng Xie , Han Yuan , Yilin Ning , Marcus Eng Hock Ong , Mengling Feng , Wynne Hsu , Bibhas Chakraborty , Nan Liu

Newsworthy events are broadcast through multiple mediums and prompt the crowds to produce comments on social media. In this paper, we propose to leverage on this behavioral dynamics to estimate the most relevant time periods for an event…

Information Retrieval · Computer Science 2018-12-18 Flávio Martins , João Magalhães , Jamie Callan

This study presents a systematic comparison of three approaches for the analysis of mental health text using large language models (LLMs): prompt engineering, retrieval augmented generation (RAG), and fine-tuning. Using LLaMA 3, we evaluate…

Computation and Language · Computer Science 2025-04-01 Arshia Kermani , Veronica Perez-Rosas , Vangelis Metsis

Large language models have demonstrated strong performance in recent years, but the high cost of training drives the need for efficient methods to compress dataset sizes. We propose TED pruning, a method that addresses the challenge of…

Machine Learning · Computer Science 2025-09-16 Jinying Xiao , Ping Li , Jie Nie

Suicide is a critical global health problem involving more than 700,000 deaths yearly, particularly among young adults. Many people express their suicidal thoughts on social media platforms such as Reddit. This paper evaluates the…

Machine Learning · Computer Science 2025-03-11 Khalid Hasan , Jamil Saquer

Early Classification of Time Series (ECTS) has been recognized as an important problem in many areas where decisions have to be taken as soon as possible, before the full data availability, while time pressure increases. Numerous ECTS…

Machine Learning · Computer Science 2025-02-11 Aurélien Renault , Alexis Bondu , Antoine Cornuéjols , Vincent Lemaire

Deep learning models in medical imaging often encounter challenges when adapting to new clinical settings unseen during training. Test-time adaptation offers a promising approach to optimize models for these unseen domains, yet its…

Machine Learning · Computer Science 2024-10-28 Sameer Ambekar , Julia A. Schnabel , Cosmin I. Bercea

Constraints are essential for stabilizing reinforcement learning fine-tuning (RFT) and preventing degenerate outputs, yet they inherently conflict with the optimization objective because stronger constraints limit the ability of a…

Machine Learning · Computer Science 2026-03-20 Hao Ma , Zhiqiang Pu , Yang Liu , Xiaolin Ai

Temporal difference (TD) learning is a popular algorithm for policy evaluation in reinforcement learning, but the vanilla TD can substantially suffer from the inherent optimization variance. A variance reduced TD (VRTD) algorithm was…

Machine Learning · Computer Science 2020-01-13 Tengyu Xu , Zhe Wang , Yi Zhou , Yingbin Liang

Within the field of Humanities, there is a recognized need for educational innovation, as there are currently no reported tools available that enable individuals to interact with their environment to create an enhanced learning experience…

Semi-supervised object detection (SSOD) aims to improve the performance and generalization of existing object detectors by utilizing limited labeled data and extensive unlabeled data. Despite many advances, recent SSOD methods are still…

Computer Vision and Pattern Recognition · Computer Science 2023-10-30 Seyed Mojtaba Marvasti-Zadeh , Nilanjan Ray , Nadir Erbilgin

Time is implicitly embedded in classification process: classifiers are usually built on existing data while to be applied on future data whose distributions (e.g., label and token) may change. However, existing state-of-the-art…

Computation and Language · Computer Science 2025-02-14 Weisi Liu , Guangzeng Han , Xiaolei Huang

Language models often pre-train on large unsupervised text corpora, then fine-tune on additional task-specific data. However, typical fine-tuning schemes do not prioritize the examples that they tune on. We show that, if you can prioritize…

Computation and Language · Computer Science 2023-05-12 Ian Osband , Seyed Mohammad Asghari , Benjamin Van Roy , Nat McAleese , John Aslanides , Geoffrey Irving

Recent advances in reinforcement learning (RL) for large language model (LLM) fine-tuning show promise in addressing multi-objective tasks but still face significant challenges, including competing objective balancing, low training…

Computation and Language · Computer Science 2025-07-10 Lingxiao Kong , Cong Yang , Susanne Neufang , Oya Deniz Beyan , Zeyd Boukhers

Extreme Learning Machines (ELM) provide a fast alternative to traditional gradient-based learning in neural networks, offering rapid training and robust generalization capabilities. Its theoretical basis shows its universal approximation…

Machine Learning · Computer Science 2024-06-27 Ergun Biçici

The detection of depression in social media posts is crucial due to the increasing prevalence of mental health issues. Traditional machine learning algorithms often fail to capture intricate textual patterns, limiting their effectiveness in…

Computation and Language · Computer Science 2024-10-01 Marios Kerasiotis , Loukas Ilias , Dimitris Askounis

Online Action Detection (OAD) detects actions in streaming videos using past observations. State-of-the-art OAD approaches model past observations and their interactions with an anticipated future. The past is encoded using short- and…

Computer Vision and Pattern Recognition · Computer Science 2025-03-25 Zhanzhong Pang , Fadime Sener , Angela Yao