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Detecting anomalies in large, distributed systems presents several challenges. The first challenge arises from the sheer volume of data that needs to be processed. Flagging anomalies in a high-throughput environment calls for a careful…

机器学习 · 计算机科学 2025-10-07 Anupam Panwar , Himadri Pal , Jiali Chen , Kyle Cho , Riddick Jiang , Miao Zhao , Rajiv Krishnamurthy

Large language model (LLM) agents are increasingly capable of orchestrating complex tasks in low-code environments. However, these agents often exhibit hallucinations and logical inconsistencies because their inherent reasoning mechanisms…

人工智能 · 计算机科学 2025-10-09 Jiexi Xu , Jiaqi Liu , Lanruo Wang , Su Liu

Time series generation is a crucial research topic in the area of decision-making systems, which can be particularly important in domains like autonomous driving, healthcare, and, notably, robotics. Recent approaches focus on learning in…

机器学习 · 计算机科学 2024-09-16 Jian Qian , Bingyu Xie , Biao Wan , Minhao Li , Miao Sun , Patrick Yin Chiang

The goal of Causal Discovery is to find automated search methods for learning causal structures from observational data. In some cases all variables of the interested causal mechanism are measured, and the task is to predict the effects one…

机器学习 · 统计学 2024-01-11 Shuyan Wang

Discovering the underlying dynamics of complex systems from data is an important practical topic. Constrained optimization algorithms are widely utilized and lead to many successes. Yet, such purely data-driven methods may bring about…

动力系统 · 数学 2023-05-17 Nan Chen , Yinling Zhang

Traditionally, AI research in medical diagnosis has largely centered on image analysis. While this has led to notable advancements, the absence of patient-reported symptoms continues to hinder diagnostic accuracy. To address this, we…

计算机视觉与模式识别 · 计算机科学 2026-01-19 K Lokesh , Abhirama Subramanyam Penamakuri , Uday Agarwal , Apoorva Challa , Shreya K Gowda , Somesh Gupta , Anand Mishra

We present TimeAutoDiff, a unified latent-diffusion framework for four fundamental time-series tasks: unconditional generation, missing-data imputation, forecasting, and time-varying-metadata conditional generation. The model natively…

机器学习 · 计算机科学 2025-12-09 Namjoon Suh , Yuning Yang , Din-Yin Hsieh , Qitong Luan , Shirong Xu , Shixiang Zhu , Guang Cheng

The dynamic characteristics of multiphase industrial processes present significant challenges in the field of industrial big data modeling. Traditional soft sensing models frequently neglect the process dynamics and have difficulty in…

机器学习 · 计算机科学 2024-07-09 Yimeng He , Le Yao , Xinmin Zhang , Xiangyin Kong , Zhihuan Song

This paper outlines a unified framework for high dimensional variable selection for classification problems. Traditional approaches to finding interesting variables mostly utilize only partial information through moments (like mean…

统计方法学 · 统计学 2016-11-25 S. Mukhopadhyay , Emanuel Parzen , S. N. Lahiri

Deep learning has led to tremendous success in computer vision, largely due to Convolutional Neural Networks (CNNs). However, CNNs have been shown to be vulnerable to crafted adversarial perturbations. This vulnerability of adversarial…

机器学习 · 计算机科学 2026-01-21 Hichem Debbi

Classical machine learning techniques often struggle with overfitting and unreliable predictions when exposed to novel conditions. Introducing causality into the modelling process offers a promising way to mitigate these challenges by…

计算工程、金融与科学 · 计算机科学 2025-05-28 David Zapata Gonzalez , Marcel Meyer , Oliver Mueller

Recent studies have shown that by introducing prior knowledge, multi-scale analysis of complex and non-stationary time series in real environments can achieve good results in the field of long-term forecasting. However, affected by…

机器学习 · 计算机科学 2025-05-26 Bin Wang , Heming Yang , Jinfang Sheng

Vision-Language Models (VLMs) are expensive because the LLM processes hundreds of largely redundant visual tokens. Existing token reduction methods typically exploit \textit{either} vision-encoder saliency (broad but query-agnostic)…

计算机视觉与模式识别 · 计算机科学 2026-02-03 Dhruv Parikh , Haoyang Fan , Rajgopal Kannan , Viktor Prasanna

Knowing the features of a complex system that are highly relevant to a particular target variable is of fundamental interest in many areas of science. Existing approaches are often limited to linear settings, sometimes lack guarantees, and…

机器学习 · 计算机科学 2023-07-06 Francesco Quinzan , Ashkan Soleymani , Patrick Jaillet , Cristian R. Rojas , Stefan Bauer

Feature selection is an important but challenging task in causal inference for obtaining unbiased estimates of causal quantities. Properly selected features in causal inference not only significantly reduce the time required to implement a…

统计方法学 · 统计学 2025-02-04 Tianyu Yang , Md. Noor-E-Alam

This paper introduces a novel framework for optimizing observer-based soft sensors through dynamic causality analysis. Traditional approaches to sensor selection often rely on linearized observability indices or statistical correlations…

人工智能 · 计算机科学 2025-09-16 William Farlessyost , Sebastian Oberst , Shweta Singh

A new variational mode decomposition (VMD) based deep learning approach is proposed in this paper for time series forecasting problem. Firstly, VMD is adopted to decompose the original time series into several sub-signals. Then, a…

机器学习 · 统计学 2020-02-25 Guowei Zhang , Tao Ren , Yifan Yang

Multivariate time series (MTS) anomaly detection is essential for maintaining the reliability of industrial systems, yet real-world deployment is hindered by two critical challenges: training data contamination (noises and hidden anomalies)…

机器学习 · 计算机科学 2025-10-28 Songhan Zhang , Yuanhao Lai , Pengfei Zheng , Boxi Yu , Xiaoying Tang , Qiuai Fu , Pinjia He

Many real-world decision-making tasks require learning causal relationships between a set of variables. Traditional causal discovery methods, however, require that all variables are observed, which is often not feasible in practical…

统计方法学 · 统计学 2023-06-27 Raj Agrawal , Chandler Squires , Neha Prasad , Caroline Uhler

Efficient and reliable beam alignment is a critical requirement for mmWave multiple-input multiple-output (MIMO) systems, especially in 6G and beyond, where communication must be fast, adaptive, and resilient to real-world uncertainties.…

人工智能 · 计算机科学 2025-08-25 Nasir Khan , Asmaa Abdallah , Abdulkadir Celik , Ahmed M. Eltawil , Sinem Coleri