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Data stream processing has become a landmark in modern machine learning applications, with concept drifts and novel class appearances posing the primary challenges faced by sophisticated recognition methods. This work proposes an…

机器学习 · 计算机科学 2026-05-29 Joanna Komorniczak

This work proposes a structural approach to concept drift detection in malware classification using decision tree rulesets. Classifiers are trained across temporal windows on the EMBER2024 dataset, and drift is quantified by comparing…

密码学与安全 · 计算机科学 2026-04-27 Tomáš Kalný , Martin Jureček , Mark Stamp

Concept Drift (CD) occurs when a change in a hidden context can induce changes in a target concept. CD is a natural phenomenon in non-stationary settings such as data streams. Understanding, detection, and adaptation to CD in streaming data…

数据库 · 计算机科学 2025-06-24 Aida Sheshbolouki , M. Tamer Ozsu

Software Engineering researchers are increasingly using Natural Language Processing (NLP) techniques to automate Software Vulnerabilities (SVs) assessment using the descriptions in public repositories. However, the existing NLP-based…

软件工程 · 计算机科学 2021-03-23 Triet H. M. Le , Bushra Sabir , M. Ali Babar

The API economy refers to the widespread integration of API (advanced programming interface) microservices, where software applications can communicate with each other, as a crucial element in business models and functions. The number of…

应用统计 · 统计学 2021-11-29 Samuel Ackerman , Parijat Dube , Eitan Farchi

Data-driven predictive analytics are in use today across a number of industrial applications, but further integration is hindered by the requirement of similarity among model training and test data distributions. This paper addresses the…

机器学习 · 计算机科学 2017-10-20 Yunwen Xu , Rui Xu , Weizhong Yan , Paul Ardis

We propose an online method for concept driftdetection based on dynamic classifier ensemble selection. Theproposed method generates a pool of ensembles by promotingdiversity among classifier members and chooses expert ensemblesaccording to…

In this work, we present to the NLP community, and to the wider research community as a whole, an application for the diachronic analysis of research corpora. We open source an easy-to-use tool coined: DRIFT, which allows researchers to…

计算与语言 · 计算机科学 2021-09-13 Abheesht Sharma , Gunjan Chhablani , Harshit Pandey , Rajaswa Patil

Machine learning on data streams is increasingly more present in multiple domains. However, there is often data distribution shift that can lead machine learning models to make incorrect decisions. While there are automatic methods to…

机器学习 · 计算机科学 2022-05-02 João Palmeiro , Beatriz Malveiro , Rita Costa , David Polido , Ricardo Moreira , Pedro Bizarro

Data stream poses additional challenges to statistical classification tasks because distributions of the training and target samples may differ as time passes. Such distribution change in streaming data is called concept drift. Numerous…

机器学习 · 计算机科学 2020-08-11 Anjin Liu , Jie Lu , Guangquan Zhang

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

Operational networks commonly rely on machine learning models for many tasks, including detecting anomalies, inferring application performance, and forecasting demand. Yet, model accuracy can degrade due to concept drift, whereby the…

网络与互联网体系结构 · 计算机科学 2023-10-02 Shinan Liu , Francesco Bronzino , Paul Schmitt , Arjun Nitin Bhagoji , Nick Feamster , Hector Garcia Crespo , Timothy Coyle , Brian Ward

Despite the promising results of machine learning models in malicious files detection, they face the problem of concept drift due to their constant evolution. This leads to declining performance over time, as the data distribution of the…

密码学与安全 · 计算机科学 2024-08-02 William Maillet , Benjamin Marais

Concept drift refers to changes in the distribution of underlying data and is an inherent property of evolving data streams. Ensemble learning, with dynamic classifiers, has proved to be an efficient method of handling concept drift.…

机器学习 · 计算机科学 2020-04-14 Anjin Liu , Jie Lu , Guangquan Zhang

Real-time monitoring of human behaviours, especially in e-Health applications, has been an active area of research in the past decades. On top of IoT-based sensing environments, anomaly detection algorithms have been proposed for the early…

机器学习 · 计算机科学 2023-12-15 Bardh Prenkaj , Paola Velardi

We introduce and study knowledge drift (KD), a complex form of drift that occurs in hierarchical classification. Under KD the vocabulary of concepts, their individual distributions, and the is-a relations between them can all change over…

机器学习 · 计算机科学 2021-03-30 Andrea Bontempelli , Fausto Giunchiglia , Andrea Passerini , Stefano Teso

Risk decision systems in fraud detection and credit scoring operate under structural label absence: ground truth arrives weeks to months after decisions are made. During this blind period, model performance may degrade silently, eroding the…

计算机与社会 · 计算机科学 2026-04-21 Oleg Solozobov

Many optimization tasks involve streaming data with unknown concept drifts, posing a significant challenge as Streaming Data-Driven Optimization (SDDO). Existing methods, while leveraging surrogate model approximation and historical…

机器学习 · 计算机科学 2025-12-09 Yuan-Ting Zhong , Ting Huang , Xiaolin Xiao , Yue-Jiao Gong

Concept drift is a common phenomenon in data streams where the statistical properties of the target variable change over time. Traditionally, drift is assumed to occur globally, affecting the entire dataset uniformly. However, this…

机器学习 · 计算机科学 2025-03-06 Flavio Giobergia , Eliana Pastor , Luca de Alfaro , Elena Baralis

Simulation is a common approach to predict the effect of business process changes on quantitative performance. The starting point of Business Process Simulation (BPS) is a process model enriched with simulation parameters. To cope with the…

软件工程 · 计算机科学 2024-08-27 Orlenys López-Pintado , Serhii Murashko , Marlon Dumas