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During the lifetime of a Business Process changes can be made to the workflow, the required resources, required documents, . . . . Different traces from the same Business Process within a single log file can thus differ substantially due to…

Artificial Intelligence · Computer Science 2018-10-17 Stephen Pauwels , Toon Calders

In real-world applications, the process generating the data might suffer from nonstationary effects (e.g., due to seasonality, faults affecting sensors or actuators, and changes in the users' behaviour). These changes, often called concept…

Machine Learning · Computer Science 2025-08-25 Kleanthis Malialis , Manuel Roveri , Cesare Alippi , Christos G. Panayiotou , Marios M. Polycarpou

Long-running machine learning models face the issue of concept drift (CD), whereby the data distribution changes over time, compromising prediction performance. Updating the model requires detecting drift by monitoring the data and/or the…

Machine Learning · Computer Science 2024-07-24 Cristiana Lalletti , Stefano Teso

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…

Cryptography and Security · Computer Science 2024-08-02 William Maillet , Benjamin Marais

We present a novel online learning-based approach for concept drift adaptation in optical network failure detection, achieving up to a 70% improvement in performance over conventional static models while maintaining low latency.

Automated Machine Learning (AutoML) systems have been shown to efficiently build good models for new datasets. However, it is often not clear how well they can adapt when the data evolves over time. The main goal of this study is to…

Machine Learning · Computer Science 2022-05-11 Bilge Celik , Joaquin Vanschoren

One important assumption underlying common classification models is the stationarity of the data. However, in real-world streaming applications, the data concept indicated by the joint distribution of feature and label is not stationary but…

Machine Learning · Computer Science 2018-08-10 Shujian Yu , Xiaoyang Wang , Jose C. Principe

Large Language Models (LLMs) excel at single-turn tasks such as instruction following and summarization, yet real-world deployments require sustained multi-turn interactions where user goals and conversational context persist and evolve. A…

Computation and Language · Computer Science 2025-11-25 Vardhan Dongre , Ryan A. Rossi , Viet Dac Lai , David Seunghyun Yoon , Dilek Hakkani-Tür , Trung Bui

The last decade has seen a surge of interest in adaptive learning algorithms for data stream classification, with applications ranging from predicting ozone level peaks, learning stock market indicators, to detecting computer security…

Machine Learning · Statistics 2018-08-13 Ali Pesaranghader , Herna Viktor , Eric Paquet

Recent artificial intelligence (AI) technologies show remarkable evolution in various academic fields and industries. However, in the real world, dynamic data lead to principal challenges for deploying AI models. An unexpected data change…

Machine Learning · Computer Science 2024-02-21 Jeng-Lin Li , Chih-Fan Hsu , Ming-Ching Chang , Wei-Chao Chen

Machine learning models are essential tools in various domains, but their performance can degrade over time due to changes in data distribution or other factors. On one hand, detecting and addressing such degradations is crucial for…

Machine Learning · Computer Science 2023-09-28 Florian Heinrichs

In an era defined by rapid data evolution, traditional Machine Learning (ML) models often struggle to adapt to dynamic environments. Evolving Machine Learning (EML) has emerged as a pivotal paradigm, enabling continuous learning and…

Data stream learning has been largely studied for extracting knowledge structures from continuous and rapid data records. In the semantic Web, data is interpreted in ontologies and its ordered sequence is represented as an ontology stream.…

Artificial Intelligence · Computer Science 2017-04-26 Freddy Lecue , Jiaoyan Chen , Jeff Pan , Huajun Chen

Event detection has long been the domain of physical sensors operating in a static dataset assumption. The prevalence of social media and web access has led to the emergence of social, or human sensors who report on events globally. This…

Social and Information Networks · Computer Science 2019-11-14 Abhijit Suprem , Aibek Musaev , Calton Pu

Concept Drift (CD) detection intends to continuously identify changes in data stream behaviors, supporting researchers in the study and modeling of real-world phenomena. Motivated by the lack of learning guarantees in current CD algorithms,…

Machine Learning · Computer Science 2020-06-26 Lucas Pagliosa , Rodrigo Mello

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…

Cryptography and Security · Computer Science 2026-04-27 Tomáš Kalný , Martin Jureček , Mark Stamp

Machine learning and deep learning-based decision making has become part of today's software. The goal of this work is to ensure that machine learning and deep learning-based systems are as trusted as traditional software. Traditional…

Facing climate change, the already limited availability of drinking water will decrease in the future rendering drinking water an increasingly scarce resource. Considerable amounts of it are lost through leakages in water transportation and…

Machine Learning · Computer Science 2024-02-08 Valerie Vaquet , Fabian Hinder , Jonas Vaquet , Kathrin Lammers , Lars Quakernack , Barbara Hammer

In safety-critical domains such as autonomous driving and medical diagnosis, the reliability of machine learning models is crucial. One significant challenge to reliability is concept drift, which can cause model deterioration over time.…

Machine Learning · Computer Science 2023-11-23 Anton Winter , Nicolas Jourdan , Tristan Wirth , Volker Knauthe , Arjan Kuijper

Concept drift in learning and classification occurs when the statistical properties of either the data features or target change over time; evidence of drift has appeared in search data, medical research, malware, web data, and video. Drift…

Machine Learning · Computer Science 2019-10-03 Abhijit Suprem