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Safety-critical traffic scenarios are of great practical relevance to evaluating the robustness of autonomous driving (AD) systems. Given that these long-tail events are extremely rare in real-world traffic data, there is a growing body of…

人工智能 · 计算机科学 2024-12-24 Yizhe Li , Linrui Zhang , Xueqian Wang , Houde Liu , Bin Liang

Malware classification in dynamic environments presents a significant challenge due to concept drift, where the statistical properties of malware data evolve over time, complicating detection efforts. To address this issue, we propose a…

机器学习 · 计算机科学 2025-03-11 Bishwajit Prasad Gond , Durga Prasad Mohapatra

Deep hedging represents a cutting-edge approach to risk management for financial derivatives by leveraging the power of deep learning. However, existing methods often face challenges related to computational inefficiency, sensitivity to…

机器学习 · 计算机科学 2025-02-26 Lei Zhao , Lin Cai

Feature selection is a process of choosing a subset of relevant features so that the quality of prediction models can be improved. An extensive body of work exists on information-theoretic feature selection, based on maximizing Mutual…

机器学习 · 计算机科学 2016-12-05 Jilin Wu , Soumyajit Gupta , Chandrajit Bajaj

Federated learning shows promise as a privacy-preserving collaborative learning technique. Existing heterogeneous federated learning mainly focuses on skewing the label distribution across clients. However, most approaches suffer from…

机器学习 · 计算机科学 2023-12-18 Shunxin Guo , Hongsong Wang , Xin Geng

Over the past decade, high-frequency oscillations (HFOs) have been studied as a promising biomarker for localizing epileptogenic areas in drug-resistant patients requiring pre-surgical intervention, while exploiting intracranial…

信号处理 · 电气工程与系统科学 2024-12-24 Zayneb Sadek , Abir Hadriche , Rahma Maalej , Nawel Jmail

To assure cyber security of an enterprise, typically SIEM (Security Information and Event Management) system is in place to normalize security event from different preventive technologies and flag alerts. Analysts in the security operation…

密码学与安全 · 计算机科学 2018-01-03 Wangyan Feng , Shuning Wu , Xiaodan Li , Kevin Kunkle

This study proposes a Transformer-based longitudinal modeling method to address challenges in clinical risk classification with heterogeneous Electronic Health Record (EHR) data, including irregular temporal patterns, large modality…

机器学习 · 计算机科学 2025-11-07 Anzhuo Xie , Wei-Chen Chang

Event extraction (EE) plays an important role in many industrial application scenarios, and high-quality EE methods require a large amount of manual annotation data to train supervised learning models. However, the cost of obtaining…

计算与语言 · 计算机科学 2023-03-21 Shirong Shen , Zhen Li , Guilin Qi

Severe haze or low visibility event caused by particulate pollution has become a serious environmental issue in Southeast Asia. A forecasting framework of such events based on deep convolutional neural networks has been developed. The…

大气与海洋物理 · 物理学 2020-03-13 Chien Wang

In the realm of Human Activity Recognition (HAR), obtaining high quality and variance data is still a persistent challenge due to high costs and the inherent variability of real-world activities. This study introduces a generation dataset…

人机交互 · 计算机科学 2025-08-19 Anh Tuan Ha , Hoang Khang Phan , Thai Minh Tien Ngo , Anh Phan Truong , Nhat Tan Le

Despite broad application during labor and delivery, there remains considerable debate about the value of electronic fetal monitoring (EFM). EFM includes the surveillance of the fetal heart rate (FHR) patterns in conjunction with the…

定量方法 · 定量生物学 2021-12-06 Martin G. Frasch , Shadrian B. Strong , David Nilosek , Joshua Leaverton , Barry S. Schifrin

Machine learning plays an essential role in preventing financial losses in the banking industry. Perhaps the most pertinent prediction task that can result in billions of dollars in losses each year is the assessment of credit risk (i.e.,…

风险管理 · 定量金融 2021-01-01 Jillian M. Clements , Di Xu , Nooshin Yousefi , Dmitry Efimov

Wildfire forecasting is of paramount importance for disaster risk reduction and environmental sustainability. We approach daily fire danger prediction as a machine learning task, using historical Earth observation data from the last decade…

In this research, it was used a segmentation and classification method to identify threat recognition in human scanner images of airport security. The Department of Homeland Security's (DHS) in USA has a higher false alarm, produced from…

计算机视觉与模式识别 · 计算机科学 2018-06-04 Abel Ag Rb Guimaraes , Ghassem Tofighi

This paper introduces a novel parameter estimation method for the probability tables of Bayesian network classifiers (BNCs), using hierarchical Dirichlet processes (HDPs). The main result of this paper is to show that improved parameter…

机器学习 · 计算机科学 2018-05-09 Francois Petitjean , Wray Buntine , Geoffrey I. Webb , Nayyar Zaidi

Large language model hallucination represents a critical challenge where outputs deviate from factual accuracy due to distributional biases in training data. While recent investigations establish that specific hidden layers exhibit…

计算与语言 · 计算机科学 2025-09-29 Wenkai Wang , Vincent Lee , Yizhen Zheng

This paper addresses a multi-label predictive fault classification problem for multidimensional time-series data. While fault (event) detection problems have been thoroughly studied in literature, most of the state-of-the-art techniques…

机器学习 · 计算机科学 2020-01-29 Wenyu Zhang , Devesh K. Jha , Emil Laftchiev , Daniel Nikovski

Robust loss functions are crucial for training deep neural networks in the presence of label noise, yet existing approaches require extensive, dataset-specific hyperparameter tuning. In this work, we introduce Fractional Classification Loss…

机器学习 · 计算机科学 2025-08-11 Mert Can Kurucu , Tufan Kumbasar , İbrahim Eksin , Müjde Güzelkaya

Survival analysis appears in various fields such as medicine, economics, engineering, and business. Recent studies showed that the Ordinary Differential Equation (ODE) modeling framework unifies many existing survival models while the…

机器学习 · 计算机科学 2022-05-30 Seungjae Jung , Kyung-Min Kim