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With the widely used smart meters in the energy sector, anomaly detection becomes a crucial mean to study the unusual consumption behaviors of customers, and to discover unexpected events of using energy promptly. Detecting consumption…

数据库 · 计算机科学 2016-06-21 Xiufeng Liu , Per Sieverts Nielsen

The increasing connectivity of data and cyber-physical systems has resulted in a growing number of cyber-attacks. Real-time detection of such attacks, through the identification of anomalous activity, is required so that mitigation and…

机器学习 · 统计学 2021-04-23 Raisa Dzhamtyrova , Carsten Maple

Anomaly detecting as an important technical in cloud computing is applied to support smooth running of the cloud platform. Traditional detecting methods based on statistic, analysis, etc. lead to the high false-alarm rate due to…

机器学习 · 计算机科学 2019-01-29 Jing Zhang

Ever growing volume and velocity of data coupled with decreasing attention span of end users underscore the critical need for real-time analytics. In this regard, anomaly detection plays a key role as an application as well as a means to…

机器学习 · 统计学 2017-10-16 Dhruv Choudhary , Arun Kejariwal , Francois Orsini

Much of the worlds data is streaming, time-series data, where anomalies give significant information in critical situations. Yet detecting anomalies in streaming data is a difficult task, requiring detectors to process data in real-time,…

人工智能 · 计算机科学 2016-07-11 Subutai Ahmad , Scott Purdy

Anomaly detection in process mining focuses on identifying anomalous cases or events in process executions. The resulting diagnostics are used to provide measures to prevent fraudulent behavior, as well as to derive recommendations for…

机器学习 · 计算机科学 2022-03-21 Suhwan Lee , Xixi Lu , Hajo A. Reijers

Consumer demand forecasting is of high importance for many e-commerce applications, including supply chain optimization, advertisement placement, and delivery speed optimization. However, reliable time series sales forecasting for…

机器学习 · 计算机科学 2024-05-24 Dan Kalifa , Uriel Singer , Ido Guy , Guy D. Rosin , Kira Radinsky

Most anomaly detection systems try to model normal behavior and assume anomalies deviate from it in diverse manners. However, there may be patterns in the anomalies as well. Ideally, an anomaly detection system can exploit patterns in both…

机器学习 · 计算机科学 2023-05-23 Jonas Soenen , Elia Van Wolputte , Vincent Vercruyssen , Wannes Meert , Hendrik Blockeel

Time-series anomaly detection, which detects errors and failures in a workflow, is one of the most important topics in real-world applications. The purpose of time-series anomaly detection is to reduce potential damages or losses. However,…

机器学习 · 计算机科学 2025-04-17 Jinsung Jeon , Jaehyeon Park , Sewon Park , Jeongwhan Choi , Minjung Kim , Noseong Park

Anomaly detection has many applications ranging from bank-fraud detection and cyber-threat detection to equipment maintenance and health monitoring. However, choosing a suitable algorithm for a given application remains a challenging design…

Online unsupervised detection of anomalies is crucial to guarantee the correct operation of cyber-physical systems and the safety of humans interacting with them. State-of-the-art approaches based on deep learning via neural networks…

机器学习 · 计算机科学 2024-07-30 Daniele Meli

Price differentiation describes a marketing strategy to determine the price of goods on the basis of a potential customer's attributes like location, financial status, possessions, or behavior. Several cases of online price differentiation…

密码学与安全 · 计算机科学 2017-12-11 Thomas Hupperich , Dennis Tatang , Nicolai Wilkop , Thorsten Holz

Anomaly detection is the process of identifying abnormal instances or events in data sets which deviate from the norm significantly. In this study, we propose a signatures based machine learning algorithm to detect rare or unexpected items…

计算金融 · 定量金融 2022-02-09 Erdinc Akyildirim , Matteo Gambara , Josef Teichmann , Syang Zhou

Anomalies in online social networks can signify irregular, and often illegal behaviour. Anomalies in online social networks can signify irregular, and often illegal behaviour. Detection of such anomalies has been used to identify malicious…

社会与信息网络 · 计算机科学 2016-08-02 David Savage , Xiuzhen Zhang , Xinghuo Yu , Pauline Chou , Qingmai Wang

Timely detection of abrupt anomalies is crucial for real-time monitoring and security of modern systems producing high-dimensional data. With this goal, we propose effective and scalable algorithms. Proposed algorithms are nonparametric as…

机器学习 · 计算机科学 2020-02-19 Mehmet Necip Kurt , Yasin Yilmaz , Xiaodong Wang

Timely and accurate detection of anomalies in power electronics is becoming increasingly critical for maintaining complex production systems. Robust and explainable strategies help decrease system downtime and preempt or mitigate…

Online media offers opportunities to marketers to deliver brand messages to a large audience. Advertising technology platforms enables the advertisers to find the proper group of audiences and deliver ad impressions to them in real time.…

人工智能 · 计算机科学 2016-02-24 Bowen Zhou , Shahriar Shariat

Life insurance, like other forms of insurance, relies heavily on large volumes of data. The business model is based on an exchange where companies receive payments in return for the promise to provide coverage in case of an accident. Thus,…

应用统计 · 统计学 2024-11-27 Andreas Groll , Akshat Khanna , Leonid Zeldin

Reliability is a cumbersome problem in High Performance Computing Systems and Data Centers evolution. During operation, several types of fault conditions or anomalies can arise, ranging from malfunctioning hardware to improper…

分布式、并行与集群计算 · 计算机科学 2020-07-30 Andrea Borghesi , Antonio Libri , Luca Benini , Andrea Bartolini

Detecting product price outliers is important for retail and e-commerce stores as erroneous or unexpectedly high prices adversely affect competitiveness, revenue, and consumer trust. Classical techniques offer simple thresholds while…

计算与语言 · 计算机科学 2026-03-24 Shadi Sartipi , John Wu , Sina Ghotbi , Nikhita Vedula , Shervin Malmasi