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Early time series classification (eTSC) is the problem of classifying a time series after as few measurements as possible with the highest possible accuracy. The most critical issue of any eTSC method is to decide when enough data of a time…

Machine Learning · Computer Science 2019-08-19 P. Schäfer , U. Leser

Counterfactual estimation from observations represents a critical endeavor in numerous application fields, such as healthcare and finance, with the primary challenge being the mitigation of treatment bias. The balancing strategy aimed at…

Machine Learning · Computer Science 2024-08-19 Qiang Huang , Chuizheng Meng , Defu Cao , Biwei Huang , Yi Chang , Yan Liu

Neural network architectures in natural language processing often use attention mechanisms to produce probability distributions over input token representations. Attention has empirically been demonstrated to improve performance in various…

Computation and Language · Computer Science 2021-05-10 George Chrysostomou , Nikolaos Aletras

Peer review is the primary means of quality control in academia; as an outcome of a peer review process, program and area chairs make acceptance decisions for each paper based on the review reports and scores they received. Quality of…

Computation and Language · Computer Science 2022-05-30 Nils Dycke , Edwin Simpson , Ilia Kuznetsov , Iryna Gurevych

A time series is a sequence of sequentially ordered real values in time. Time series classification (TSC) is the task of assigning a time series to one of a set of predefined classes, usually based on a model learned from examples.…

Machine Learning · Computer Science 2023-02-02 Patrick Schäfer , Ulf Leser

Monitoring patients in ICU is a challenging and high-cost task. Hence, predicting the condition of patients during their ICU stay can help provide better acute care and plan the hospital's resources. There has been continuous progress in…

Computation and Language · Computer Science 2020-01-03 Swaraj Khadanga , Karan Aggarwal , Shafiq Joty , Jaideep Srivastava

The ability to understand how a scientific application is executed on a large HPC system is of great importance in allocating resources within the HPC data center. In this paper, we describe how we used system performance data to identify:…

Distributed, Parallel, and Cluster Computing · Computer Science 2020-09-15 David Brayford , Christoph Bernau , Wolfram Hesse , Carla Guillen

Text classification has long been a staple within Natural Language Processing (NLP) with applications spanning across diverse areas such as sentiment analysis, recommender systems and spam detection. With such a powerful solution, it is…

Computation and Language · Computer Science 2021-12-06 Amir Atapour-Abarghouei , Stephen Bonner , Andrew Stephen McGough

Signal temporal logic (STL) provides a user-friendly interface for defining complex tasks for robotic systems. Recent efforts aim at designing control laws or using reinforcement learning methods to find policies which guarantee…

Systems and Control · Computer Science 2019-03-12 Peter Varnai , Dimos V. Dimarogonas

Time series data are ubiquitous nowadays. Whereas most of the literature on the topic deals with real-valued time series, categorical time series have received much less attention. However, the development of data mining techniques for this…

Machine Learning · Statistics 2023-04-26 Ángel López Oriona , José Antonio Vilar Fernández

This paper presents an evaluation framework that attempts to quantify the "degree of realism" of simulated financial time series, whatever the simulation method could be, with the aim of discover unknown characteristics that are not being…

Computational Finance · Quantitative Finance 2018-11-20 Javier Franco-Pedroso , Joaquin Gonzalez-Rodriguez , Maria Planas , Jorge Cubero , Rafael Cobo , Fernando Pablos

Time series classification is crucial for numerous scientific and engineering applications. In this article, we present a numerically efficient, practically competitive, and theoretically rigorous classification method for distinguishing…

Methodology · Statistics 2025-07-11 Chen Qian , Xiucai Ding , Lexin Li

This article discusses recent developments in the literature of quantile time series models in the cases of stationary and nonstationary underline stochastic processes.

Econometrics · Economics 2023-08-23 Christis Katsouris

Curriculum Learning is the presentation of samples to the machine learning model in a meaningful order instead of a random order. The main challenge of Curriculum Learning is determining how to rank these samples. The ranking of the samples…

Machine Learning · Computer Science 2022-09-12 H. Toprak Kesgin , M. Fatih Amasyali

Evaluation efforts such as TREC, CLEF, NTCIR and FIRE, alongside public leaderboard such as MS MARCO, are intended to encourage research and track our progress, addressing big questions in our field. However, the goal is not simply to…

Information Retrieval · Computer Science 2021-05-11 Nick Craswell , Bhaskar Mitra , Emine Yilmaz , Daniel Campos , Jimmy Lin

Time series chain (TSC) is a recently introduced concept that captures the evolving patterns in large scale time series. Informally, a time series chain is a temporally ordered set of subsequences, in which consecutive subsequences in the…

Machine Learning · Computer Science 2026-02-17 Li Zhang , Nital Patel , Xiuqi Li , Jessica Lin

Text serialization is a fundamental concept in modern computing, enabling the conversion of complex data structures into a format that can be easily stored, transmitted, and reconstructed. This paper provides an extensive overview of text…

Programming Languages · Computer Science 2025-05-21 Wang Wei , Li Na , Zhang Lei , Liu Fang , Chen Hao , Yang Xiuying , Huang Lei , Zhao Min , Wu Gang , Zhou Jie , Xu Jing , Sun Tao , Ma Li , Zhu Qiang , Hu Jun , Guo Wei , He Yong , Gao Yuan , Lin Dan , Zheng Yi , Shi Li

Progress on many Natural Language Processing (NLP) tasks, such as text classification, is driven by objective, reproducible and scalable evaluation via publicly available benchmarks. However, these are not always representative of…

Computation and Language · Computer Science 2022-11-11 Viktor Schlegel , Erick Mendez-Guzman , Riza Batista-Navarro

Time series, as one of the most fundamental representations of sequential data, has been extensively studied across diverse disciplines, including computer science, biology, geology, astronomy, and environmental sciences. The advent of…

Machine Learning · Computer Science 2024-12-31 John Paparrizos , Fan Yang , Haojun Li

Hierarchical Text Categorization (HTC) is becoming increasingly important with the rapidly growing amount of text data available in the World Wide Web. Among the different strategies proposed to cope with HTC, the Local Classifier per Node…

Information Retrieval · Computer Science 2012-06-05 Nima Hatami , Camelia Chira , Giuliano Armano