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This paper evaluates algorithms for classification and outlier detection accuracies in temporal data. We focus on algorithms that train and classify rapidly and can be used for systems that need to incorporate new data regularly. Hence, we…

机器学习 · 统计学 2018-05-03 Victoria J. Hodge , Jim Austin

Recent advances in deep learning architectures for sequence modeling have not fully transferred to tasks handling time-series from electronic health records. In particular, in problems related to the Intensive Care Unit (ICU), the…

机器学习 · 计算机科学 2024-02-07 Rita Kuznetsova , Alizée Pace , Manuel Burger , Hugo Yèche , Gunnar Rätsch

Symbolic data structures for model checking timed systems have been subject to a significant research, with Difference Bound Matrices (DBMs) still being the preferred data structure in several mature verification tools. In comparison,…

数据结构与算法 · 计算机科学 2012-11-28 Kenneth Y. Jørgensen , Kim G. Larsen , Jiří Srba

Research into the classification of time series has made enormous progress in the last decade. The UCR time series archive has played a significant role in challenging and guiding the development of new learners for time series…

With the advent of Big Data, nowadays in many applications databases containing large quantities of similar time series are available. Forecasting time series in these domains with traditional univariate forecasting procedures leaves great…

机器学习 · 计算机科学 2018-09-13 Kasun Bandara , Christoph Bergmeir , Slawek Smyl

This paper studies Time Series Extrinsic Regression (TSER): a regression task of which the aim is to learn the relationship between a time series and a continuous scalar variable; a task closely related to time series classification (TSC),…

机器学习 · 计算机科学 2021-02-04 Chang Wei Tan , Christoph Bergmeir , Francois Petitjean , Geoffrey I. Webb

Despite their impressive performance, Deep Neural Networks (DNNs) typically underperform Gradient Boosting Trees (GBTs) on many tabular-dataset learning tasks. We propose that applying a different regularization coefficient to each weight…

机器学习 · 统计学 2018-10-25 Ira Shavitt , Eran Segal

Nowadays, with the rising number of sensors in sectors such as healthcare and industry, the problem of multivariate time series classification (MTSC) is getting increasingly relevant and is a prime target for machine and deep learning…

机器学习 · 计算机科学 2022-04-12 Leonardos Pantiskas , Kees Verstoep , Mark Hoogendoorn , Henri Bal

Large-scale pre-trained language models such as BERT are popular solutions for text classification. Due to the superior performance of these advanced methods, nowadays, people often directly train them for a few epochs and deploy the…

计算与语言 · 计算机科学 2023-06-13 Yu-Chen Lin , Si-An Chen , Jie-Jyun Liu , Chih-Jen Lin

Time-series classification is an important problem for the data mining community due to the wide range of application domains involving time-series data. A recent paradigm, called shapelets, represents patterns that are highly predictive…

机器学习 · 计算机科学 2015-03-12 Josif Grabocka , Martin Wistuba , Lars Schmidt-Thieme

Tabular data analysis is crucial in many scenarios, yet efficiently identifying the most relevant data analysis queries and results for a new table remains a significant challenge. The complexity of tabular data, diverse analytical…

计算与语言 · 计算机科学 2025-04-01 Deyin Yi , Yihao Liu , Lang Cao , Mengyu Zhou , Haoyu Dong , Shi Han , Dongmei Zhang

The ability to train generative models that produce realistic, safe and useful tabular data is essential for data privacy, imputation, oversampling, explainability or simulation. However, generating tabular data is not straightforward due…

机器学习 · 计算机科学 2025-09-18 G. Charbel N. Kindji , Lina Maria Rojas-Barahona , Elisa Fromont , Tanguy Urvoy

How to handle time features shall be the core question of any time series forecasting model. Ironically, it is often ignored or misunderstood by deep-learning based models, even those baselines which are state-of-the-art. This behavior…

机器学习 · 计算机科学 2022-07-25 Li Shen , Yuning Wei , Yangzhu Wang

Every year, millions of patients pass through emergency departments and intensive care units, where clinicians must make high-stakes decisions under time pressure and uncertainty. Machine learning could support prediction of deterioration,…

机器学习 · 计算机科学 2026-05-27 Yusuf Brima , Marcellin Atemkeng

Time series anomaly detection (TSAD) has gained significant attention due to its real-world applications to improve the stability of modern software systems. However, there is no effective way to verify whether they can meet the…

Normalization techniques are crucial for enhancing Transformer models' performance and stability in time series analysis tasks, yet traditional methods like batch and layer normalization often lead to issues such as token shift, attention…

机器学习 · 计算机科学 2024-05-28 Nan Huang , Christian Kümmerle , Xiang Zhang

[Context] The use of defect prediction models, such as classifiers, can support testing resource allocations by using data of the previous releases of the same project for predicting which software components are likely to be defective. A…

软件工程 · 计算机科学 2020-08-03 Davide Falessi , Jacky Huang , Likhita Narayana , Jennifer Fong Thai , Burak Turhan

Tabular datasets are widely used in scientific disciplines such as biology. While these disciplines have already adopted AI methods to enhance their findings and analysis, they mainly use tree-based methods due to their interpretability. At…

机器学习 · 计算机科学 2025-04-16 Salvatore Raieli , Nathalie Jeanray , Stéphane Gerart , Sebastien Vachenc , Abdulrahman Altahhan

Time series classification is an increasing research topic due to the vast amount of time series data that are being created over a wide variety of fields. The particularity of the data makes it a challenging task and different approaches…

机器学习 · 统计学 2018-06-13 Amaia Abanda , Usue Mori , Jose A. Lozano

Tabular neural network (NN) has attracted remarkable attentions and its recent advances have gradually narrowed the performance gap with respect to tree-based models on many public datasets. While the mainstreams focus on calibrating NN to…

机器学习 · 计算机科学 2024-03-05 Xuan Li , Yun Wang , Bo Li