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相关论文: Modeling the Dynamics of Online Learning Activity

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Online boards offer a platform for sharing and discussing content, where discussion emerges as a cascade of comments in response to a post. Branching point process models offer a practical approach to modelling these cascades; however,…

应用统计 · 统计学 2025-01-24 Joe Meagher , Nial Friel

Activity recognition from sensor data deals with various challenges, such as overlapping activities, activity labeling, and activity detection. Although each challenge in the field of recognition has great importance, the most important one…

机器学习 · 计算机科学 2019-03-13 Parviz Asghari , Ehsan Nazerfard

Online action detection is a task with the aim of identifying ongoing actions from streaming videos without any side information or access to future frames. Recent methods proposed to aggregate fixed temporal ranges of invisible but…

计算机视觉与模式识别 · 计算机科学 2020-11-17 Sanqing Qu , Guang Chen , Dan Xu , Jinhu Dong , Fan Lu , Alois Knoll

Online forums are rich sources of information about user communication activity over time. Finding temporal patterns in online forum communication threads can advance our understanding of the dynamics of conversations. The main challenge of…

社会与信息网络 · 计算机科学 2012-01-12 Andrey Kan , Jeffrey Chan , Conor Hayes , Bernie Hogan , James Bailey , Christopher Leckie

Learning quickly is of great importance for machine intelligence deployed in online platforms. With the capability of transferring knowledge from learned tasks, meta-learning has shown its effectiveness in online scenarios by continuously…

机器学习 · 计算机科学 2020-10-23 Huaxiu Yao , Yingbo Zhou , Mehrdad Mahdavi , Zhenhui Li , Richard Socher , Caiming Xiong

Human activities increasingly take place in online environments, providing novel opportunities for relating individual behaviours to population-level outcomes. In this paper, we introduce a simple generative model for the collective…

物理与社会 · 物理学 2014-07-24 James P. Gleeson , Davide Cellai , Jukka-Pekka Onnela , Mason A. Porter , Felix Reed-Tsochas

There has been an increasingly popular trend in Universities for curriculum transformation to make teaching more interactive and suitable for online courses. An increase in the popularity of online courses would result in an increase in the…

信息检索 · 计算机科学 2020-11-03 Nikhil Fernandes , Alexandra Gkolia , Nicolas Pizzo , James Davenport , Akshar Nair

Network embedding aims to learn low-dimensional representations of nodes while capturing structure information of networks. It has achieved great success on many tasks of network analysis such as link prediction and node classification.…

社会与信息网络 · 计算机科学 2020-04-03 Hansheng Xue , Luwei Yang , Wen Jiang , Yi Wei , Yi Hu , Yu Lin

It is challenging learning from demonstrated observation-only trajectories in a non-time-aligned environment because most imitation learning methods aim to imitate experts by following the demonstration step-by-step. However, aligned…

机器学习 · 计算机科学 2024-10-30 Shanqi Liu , Junjie Cao , Wenzhou Chen , Licheng Wen , Yong Liu

Online hashing methods usually learn the hash functions online, aiming to efficiently adapt to the data variations in the streaming environment. However, when the hash functions are updated, the binary codes for the whole database have to…

计算机视觉与模式识别 · 计算机科学 2021-08-06 Zhenyu Weng , Yuesheng Zhu

One of the most well-established applications of machine learning is in deciding what content to show website visitors. When observation data comes from high-velocity, user-generated data streams, machine learning methods perform a…

Predictive Autoscaling is used to forecast the workloads of servers and prepare the resources in advance to ensure service level objectives (SLOs) in dynamic cloud environments. However, in practice, its prediction task often suffers from…

机器学习 · 计算机科学 2023-09-06 Hongyan Hao , Zhixuan Chu , Shiyi Zhu , Gangwei Jiang , Yan Wang , Caigao Jiang , James Zhang , Wei Jiang , Siqiao Xue , Jun Zhou

The performance of machine learning model can be further improved if contextual cues are provided as input along with base features that are directly related to an inference task. In offline learning, one can inspect historical training…

机器学习 · 计算机科学 2019-10-21 Kin Gwn Lore , Kishore K. Reddy

We proposed a data-driven approach to dissect multivariate time series in order to discover multiple phases underlying dynamics of complex systems. This computing approach is developed as a multiple-dimension version of Hierarchical Factor…

统计方法学 · 统计学 2021-03-09 Xiaodong Wang , Fushing Hsieh

The event sequence of many diverse systems is represented as a sequence of discrete events in a continuous space. Examples of such an event sequence are earthquake aftershock events, financial transactions, e-commerce transactions, social…

机器学习 · 计算机科学 2021-04-23 Jayesh Malaviya

There are many real-world knowledge based networked systems with multi-type interacting entities that can be regarded as heterogeneous networks including human connections and biological evolutions. One of the main issues in such networks…

社会与信息网络 · 计算机科学 2019-11-05 Soheila Molaei , Hadi Zare , Hadi Veisi

Event perception tasks such as recognizing and localizing actions in streaming videos are essential for scaling to real-world application contexts. We tackle the problem of learning actor-centered representations through the notion of…

计算机视觉与模式识别 · 计算机科学 2022-12-01 Sathyanarayanan N. Aakur , Sudeep Sarkar

Recently, researchers have shown an increased interest in the online knowledge distillation. Adopting an one-stage and end-to-end training fashion, online knowledge distillation uses aggregated intermediated predictions of multiple peer…

计算机视觉与模式识别 · 计算机科学 2022-03-24 Shixiao Fan , Xuan Cheng , Xiaomin Wang , Chun Yang , Pan Deng , Minghui Liu , Jiali Deng , Ming Liu

Deep Neural Networks (DNNs) are typically trained by backpropagation in a batch learning setting, which requires the entire training data to be made available prior to the learning task. This is not scalable for many real-world scenarios…

机器学习 · 计算机科学 2017-11-13 Doyen Sahoo , Quang Pham , Jing Lu , Steven C. H. Hoi

Online learning with streaming data in a distributed and collaborative manner can be useful in a wide range of applications. This topic has been receiving considerable attention in recent years with emphasis on both single-task and…

多智能体系统 · 计算机科学 2017-04-26 Jie Chen , Cédric Richard , Ali H. Sayed