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Motivated by the increasing risks of data misuse and fabrication, we investigate the problem of identifying synthetic time series generated by Time-Series Large Models (TSLMs) in this work. While there are extensive researches on detecting…

人工智能 · 计算机科学 2025-11-13 Junji Hou , Junzhou Zhao , Shuo Zhang , Pinghui Wang

Click-Through Rate (CTR) prediction, crucial in applications like recommender systems and online advertising, involves ranking items based on the likelihood of user clicks. User behavior sequence modeling has marked progress in CTR…

信息检索 · 计算机科学 2023-08-22 Hengyu Zhang , Chang Meng , Wei Guo , Huifeng Guo , Jieming Zhu , Guangpeng Zhao , Ruiming Tang , Xiu Li

Fuzzy c-means based clustering algorithms are frequently used for Takagi-Sugeno-Kang (TSK) fuzzy classifier antecedent parameter estimation. One rule is initialized from each cluster. However, most of these clustering algorithms are…

机器学习 · 计算机科学 2020-03-02 Yuqi Cui , Huidong Wang , Dongrui Wu

Using deep learning models to classify time series data generated from the Internet of Things (IoT) devices requires a large amount of labeled data. However, due to constrained resources available in IoT devices, it is often difficult to…

信号处理 · 电气工程与系统科学 2022-02-02 Priyanka Gupta , Sathvik Bhaskarpandit , Manik Gupta

The positioning of this research falls within the scalar-on-function classification literature, a field of significant interest across various domains, particularly in statistics, mathematics, and computer science. This study introduces an…

机器学习 · 统计学 2025-02-27 Fabrizio Maturo , Annamaria Porreca

Clustering is a fundamental task in both machine learning and data mining. Among various methods, edge-colored clustering (ECC) has emerged as a useful approach for handling categorical data. Given a hypergraph with (hyper)edges labeled by…

机器学习 · 计算机科学 2025-05-26 Changyeol Lee , Yongho Shin , Hyung-Chan An

The task of Fine-grained Entity Type Classification (FETC) consists of assigning types from a hierarchy to entity mentions in text. Existing methods rely on distant supervision and are thus susceptible to noisy labels that can be…

计算与语言 · 计算机科学 2018-04-17 Peng Xu , Denilson Barbosa

Time-series generated by end-users, edge devices, and different wearables are mostly unlabelled. We propose a method to auto-generate labels of un-labelled time-series, exploiting very few representative labelled time-series. Our method is…

机器学习 · 计算机科学 2021-07-13 Soma Bandyopadhyay , Anish Datta , Arpan Pal

Clustering is one of the most fundamental tasks in machine learning. Recently, deep clustering has become a major trend in clustering techniques. Representation learning often plays an important role in the effectiveness of deep clustering,…

机器学习 · 计算机科学 2021-06-02 Yaling Tao , Kentaro Takagi , Kouta Nakata

The time series classification literature has expanded rapidly over the last decade, with many new classification approaches published each year. The research focus has mostly been on improving the accuracy and efficiency of classifiers,…

机器学习 · 计算机科学 2018-08-14 Thach Le Nguyen , Severin Gsponer , Iulia Ilie , Georgiana Ifrim

This paper explores how to build a shapelet-based time series classification (TSC) model in the federated learning (FL) scenario, that is, using more data from multiple owners without actually sharing the data. We propose FedST, a novel…

机器学习 · 计算机科学 2024-08-21 Zhiyu Liang , Hongzhi Wang

In recent years, text classification methods based on neural networks and pre-trained models have gained increasing attention and demonstrated excellent performance. However, these methods still have some limitations in practical…

计算与语言 · 计算机科学 2024-12-16 Yanxu Mao , Peipei Liu , Tiehan Cui , Congying Liu , Datao You

Time series classification (TSC) is home to a number of algorithm groups that utilise different kinds of discriminatory patterns. One of these groups describes classifiers that predict using phase dependant intervals. The time series forest…

机器学习 · 计算机科学 2021-05-11 Matthew Middlehurst , James Large , Anthony Bagnall

Multivariate Time Series (MTS) classification has gained importance over the past decade with the increase in the number of temporal datasets in multiple domains. The current state-of-the-art MTS classifier is a heavyweight deep learning…

机器学习 · 计算机科学 2021-12-10 Kevin Fauvel , Tao Lin , Véronique Masson , Élisa Fromont , Alexandre Termier

Accuracy is a key focus of current work in time series classification. However, speed and data reduction in many applications is equally important, especially when the data scale and storage requirements increase rapidly. Current MTSC…

机器学习 · 计算机科学 2022-12-06 Bhaskar Dhariyal , Thach Le Nguyen , Georgiana Ifrim

We argue that time series analysis is fundamentally different in nature to either vision or natural language processing with respect to the forms of meaningful self-supervised learning tasks that can be defined. Motivated by this insight,…

机器学习 · 计算机科学 2023-12-13 Navid Mohammadi Foumani , Chang Wei Tan , Geoffrey I. Webb , Hamid Rezatofighi , Mahsa Salehi

A novel technique for deep learning of image classifiers is presented. The learned CNN models offer better separation of deep features (also known as embedded vectors) measured by Euclidean proximity and also no deterioration of the…

计算机视觉与模式识别 · 计算机科学 2019-04-23 Rafal Pilarczyk , Wladyslaw Skarbek

In this work, we describe a novel method of training an embedding-matching word-level connectionist temporal classification (CTC) automatic speech recognizer (ASR) such that it directly produces word start times and durations, required by…

计算与语言 · 计算机科学 2023-06-21 Woojay Jeon

Shapelets are discriminative subsequences (or shapes) with high interpretability in time series classification. Due to the time-intensive nature of shapelet discovery, existing shapelet-based methods mainly focus on selecting discriminative…

机器学习 · 计算机科学 2025-06-04 Zhen Liu , Yicheng Luo , Boyuan Li , Emadeldeen Eldele , Min Wu , Qianli Ma

Environmental Sound Classification (ESC) is a challenging field of research in non-speech audio processing. Most of current research in ESC focuses on designing deep models with special architectures tailored for specific audio datasets,…

声音 · 计算机科学 2021-03-03 Alireza Nasiri , Jianjun Hu