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Large Language Models (LLMs) have seen significant use in domains such as natural language processing and computer vision. Going beyond text, image and graphics, LLMs present a significant potential for analysis of time series data,…

机器学习 · 计算机科学 2024-05-08 Xiyuan Zhang , Ranak Roy Chowdhury , Rajesh K. Gupta , Jingbo Shang

Machine learning techniques using neural networks have achieved promising success for time-series data classification. However, the models that they produce are challenging to verify and interpret. In this paper, we propose an explainable…

形式语言与自动机理论 · 计算机科学 2023-07-04 Danyang Li , Mingyu Cai , Cristian-Ioan Vasile , Roberto Tron

Recent progress has shown that large-scale pre-training using contrastive image-text pairs can be a promising alternative for high-quality visual representation learning from natural language supervision. Benefiting from a broader source of…

计算机视觉与模式识别 · 计算机科学 2022-03-22 Yongming Rao , Wenliang Zhao , Guangyi Chen , Yansong Tang , Zheng Zhu , Guan Huang , Jie Zhou , Jiwen Lu

In many real-world application, e.g., speech recognition or sleep stage classification, data are captured over the course of time, constituting a Time-Series. Time-Series often contain temporal dependencies that cause two otherwise…

机器学习 · 计算机科学 2017-01-10 John Cristian Borges Gamboa

Time series anomaly detection is critical for supply chain management to take proactive operations, but faces challenges: classical unsupervised anomaly detection based on exploiting data patterns often yields results misaligned with…

机器学习 · 计算机科学 2026-01-28 Haoting Zhang , Shekhar Jain

Inspired by the remarkable zero-shot generalization capacity of vision-language pre-trained model, we seek to leverage the supervision from CLIP model to alleviate the burden of data labeling. However, such supervision inevitably contains…

计算机视觉与模式识别 · 计算机科学 2022-06-14 Junchu Huang , Weijie Chen , Shicai Yang , Di Xie , Shiliang Pu , Yueting Zhuang

Cyber-physical system applications such as autonomous vehicles, wearable devices, and avionic systems generate a large volume of time-series data. Designers often look for tools to help classify and categorize the data. Traditional machine…

Animal pose estimation is challenging for existing image-based methods because of limited training data and large intra- and inter-species variances. Motivated by the progress of visual-language research, we propose that pre-trained…

计算机视觉与模式识别 · 计算机科学 2023-08-29 Xu Zhang , Wen Wang , Zhe Chen , Yufei Xu , Jing Zhang , Dacheng Tao

Learning universal time series representations applicable to various types of downstream tasks is challenging but valuable in real applications. Recently, researchers have attempted to leverage the success of self-supervised contrastive…

机器学习 · 计算机科学 2023-12-27 Jiexi Liu , Songcan Chen

We present an approach that incorporates expert knowledge for time-series representation learning. Our method employs expert features to replace the commonly used data transformations in previous contrastive learning approaches. We do this…

机器学习 · 计算机科学 2023-09-26 Manuel Nonnenmacher , Lukas Oldenburg , Ingo Steinwart , David Reeb

Time series classification is a task of paramount importance, as this kind of data often arises in safety-critical applications. However, it is typically tackled with black-box deep learning methods, making it hard for humans to understand…

机器学习 · 计算机科学 2025-08-28 Irene Ferfoglia , Simone Silvetti , Gaia Saveri , Laura Nenzi , Luca Bortolussi

Time series data is essential in various applications, including climate modeling, healthcare monitoring, and financial analytics. Understanding the contextual information associated with real-world time series data is often essential for…

人工智能 · 计算机科学 2025-03-11 Geon Lee , Wenchao Yu , Kijung Shin , Wei Cheng , Haifeng Chen

Binary code representation learning has shown significant performance in binary analysis tasks. But existing solutions often have poor transferability, particularly in few-shot and zero-shot scenarios where few or no training samples are…

软件工程 · 计算机科学 2024-02-28 Hao Wang , Zeyu Gao , Chao Zhang , Zihan Sha , Mingyang Sun , Yuchen Zhou , Wenyu Zhu , Wenju Sun , Han Qiu , Xi Xiao

Time-series analysis plays a pivotal role across a range of critical applications, from finance to healthcare, which involves various tasks, such as forecasting and classification. To handle the inherent complexities of time-series data,…

机器学习 · 计算机科学 2024-05-20 Jiawei Li , Jingshu Peng , Haoyang Li , Lei Chen

Specialist language models (LMs) focus on a specific task or domain on which they often outperform generalist LMs of the same size. However, the specialist data needed to pretrain these models is only available in limited amount for most…

计算与语言 · 计算机科学 2025-03-12 David Grangier , Simin Fan , Skyler Seto , Pierre Ablin

Effective utilization of time series data is often constrained by the scarcity of data quantity that reflects complex dynamics, especially under the condition of distributional shifts. Existing datasets may not encompass the full range of…

计算工程、金融与科学 · 计算机科学 2024-06-11 Haibei Zhu , Yousef El-Laham , Elizabeth Fons , Svitlana Vyetrenko

We introduce CLaMP: Contrastive Language-Music Pre-training, which learns cross-modal representations between natural language and symbolic music using a music encoder and a text encoder trained jointly with a contrastive loss. To pre-train…

声音 · 计算机科学 2023-10-19 Shangda Wu , Dingyao Yu , Xu Tan , Maosong Sun

Universal time series representation learning is challenging but valuable in real-world applications such as classification, anomaly detection, and forecasting. Recently, contrastive learning (CL) has been actively explored to tackle time…

机器学习 · 计算机科学 2025-02-06 Namwoo Kim , Hyungryul Baik , Yoonjin Yoon

Detection of periodic patterns of interest within noisy time series data plays a critical role in various tasks, spanning from health monitoring to behavior analysis. Existing learning techniques often rely on labels or clean versions of…

机器学习 · 计算机科学 2025-06-24 Berken Utku Demirel , Christian Holz

In recent years, the introduction of self-supervised contrastive learning (SSCL) has demonstrated remarkable improvements in representation learning across various domains, including natural language processing and computer vision. By…

机器学习 · 计算机科学 2023-08-15 Chiyu Zhang , Qi Yan , Lili Meng , Tristan Sylvain