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Medical time series has been playing a vital role in real-world healthcare systems as valuable information in monitoring health conditions of patients. Accurate classification for medical time series, e.g., Electrocardiography (ECG)…

机器学习 · 计算机科学 2025-02-10 Wei Fan , Jingru Fei , Dingyu Guo , Kun Yi , Xiaozhuang Song , Haolong Xiang , Hangting Ye , Min Li

Egocentric assistants often rely on first-person view data to capture user behavior and context for personalized services. Since different users exhibit distinct habits, preferences, and routines, such personalization is essential for truly…

计算机视觉与模式识别 · 计算机科学 2026-04-23 Yanshuo Wang , Yuan Xu , Xuesong Li , Jie Hong , Yizhou Wang , Chang Wen Chen , Wentao Zhu

Time series forecasting lies at the core of important real-world applications in many fields of science and engineering. The abundance of large time series datasets that consist of complex patterns and long-term dependencies has led to the…

机器学习 · 计算机科学 2023-12-01 Nancy Xu , Chrysoula Kosma , Michalis Vazirgiannis

In the last few years, there has been a great interest in detecting overlapping communities in complex networks, which is understood as dense groups of nodes featuring a low outbound density. To date, most methods used to compute such…

社会与信息网络 · 计算机科学 2011-02-22 Adrien Friggeri , Guillaume Chelius , Eric Fleury

Maintaining situational awareness in complex driving scenarios is challenging. It requires continuously prioritizing attention among extensive scene entities and understanding how prominent hazards might affect the ego vehicle. While…

计算机视觉与模式识别 · 计算机科学 2026-05-05 Yaoqi Huang , Julie Stephany Berrio , Mao Shan , Stewart Worrall

Anomaly detection on multivariate time-series is of great importance in both data mining research and industrial applications. Recent approaches have achieved significant progress in this topic, but there is remaining limitations. One major…

机器学习 · 计算机科学 2020-09-07 Hang Zhao , Yujing Wang , Juanyong Duan , Congrui Huang , Defu Cao , Yunhai Tong , Bixiong Xu , Jing Bai , Jie Tong , Qi Zhang

A foundation model is a machine learning model trained on a large and diverse set of data, typically using self-supervised learning-based pre-training techniques, that can be adapted to various downstream tasks. However, current research on…

Understanding human interactions and social structures is an incredibly important task, especially in such an interconnected world. One task that facilitates this is Stance Detection, which predicts the opinion or attitude of a text towards…

社会与信息网络 · 计算机科学 2024-07-02 Jack Tacchi , Parisa Jamadi Khiabani , Arkaitz Zubiaga , Chiara Boldrini , Andrea Passarella

Transformer architectures, capable of capturing sequential dependencies in the history of user interactions, have become the dominant approach in sequential recommender systems. Despite their success, such models consider sequence elements…

Network autocorrelation models have been widely used for decades to model the joint distribution of the attributes of a network's actors. This class of models can estimate both the effect of individual characteristics as well as the network…

统计方法学 · 统计学 2020-05-20 Daniel K. Sewell

We present Ego-Only, the first approach that enables state-of-the-art action detection on egocentric (first-person) videos without any form of exocentric (third-person) transferring. Despite the content and appearance gap separating the two…

计算机视觉与模式识别 · 计算机科学 2023-05-23 Huiyu Wang , Mitesh Kumar Singh , Lorenzo Torresani

A networked time series (NETS) is a family of time series on a given graph, one for each node. It has a wide range of applications from intelligent transportation, environment monitoring to smart grid management. An important task in such…

机器学习 · 计算机科学 2023-11-27 Yichen Zhu , Bo Jiang , Haiming Jin , Mengtian Zhang , Feng Gao , Jianqiang Huang , Tao Lin , Xinbing Wang

Finding the most similar subsequences between two multidimensional time series has many applications: e.g. capturing dependency in stock market or discovering coordinated movement of baboons. Considering one pattern occurring in one time…

机器学习 · 计算机科学 2025-05-19 Thanadej Rattanakornphan , Piyanon Charoenpoonpanich , Chainarong Amornbunchornvej

Social group detection, or the identification of humans involved in reciprocal interpersonal interactions (e.g., family members, friends, and customers and merchants), is a crucial component of social intelligence needed for agents…

计算机视觉与模式识别 · 计算机科学 2026-03-24 Jeffri Murrugarra-Llerena , Pranav Chitale , Zicheng Liu , Kai Ao , Yujin Ham , Guha Balakrishnan , Paola Cascante-Bonilla

In many real-world applications, the evolving relationships between entities can be modeled as temporal graphs, where each edge has a timestamp representing the interaction time. As a fundamental problem in graph analysis, {\it community…

信息检索 · 计算机科学 2025-06-04 Yue Zhang , Yankai Chen , Yingli Zhou , Yucan Guo , Xiaolin Han , Chenhao Ma

The classification of time series data is a well-studied problem with numerous practical applications, such as medical diagnosis and speech recognition. A popular and effective approach is to classify new time series in the same way as…

机器学习 · 计算机科学 2019-01-29 Ricards Marcinkevics , Steven Kelk , Carlo Galuzzi , Berthold Stegemann

Multivariate time series classification (MTSC) is an important data mining task, which can be effectively solved by popular deep learning technology. Unfortunately, the existing deep learning-based methods neglect the hidden dependencies in…

机器学习 · 计算机科学 2024-08-19 Huaiyuan Liu , Xianzhang Liu , Donghua Yang , Zhiyu Liang , Hongzhi Wang , Yong Cui , Jun Gu

Time series classification is a field which has drawn much attention over the past decade. A new approach for classification of time series uses classification trees based on shapelets. A shapelet is a subsequence extracted from one of the…

机器学习 · 计算机科学 2012-09-25 Daniel Gordon , Danny Hendler , Lior Rokach

A growing number of universities worldwide use various forms of online and blended learning as part of their academic curricula. Furthermore, the recent changes caused by the COVID-19 pandemic have led to a drastic increase in importance…

机器学习 · 计算机科学 2022-09-05 Galina Deeva , Johannes De Smedt , Cecilia Saint-Pierre , Richard Weber , Jochen De Weerdt

We pose keystep recognition as a node classification task, and propose a flexible graph-learning framework for fine-grained keystep recognition that is able to effectively leverage long-term dependencies in egocentric videos. Our approach,…

计算机视觉与模式识别 · 计算机科学 2026-02-11 Julia Lee Romero , Kyle Min , Subarna Tripathi , Morteza Karimzadeh