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Mining temporal data for information is often inhibited by a multitude of formats: irregular or multiple time intervals, point events that need aggregating, multiple observational units or repeated measurements on multiple individuals, and…

Applications · Statistics 2019-02-14 Earo Wang , Dianne Cook , Rob J Hyndman

Time series data from various domains is continuously growing, and extracting and analyzing temporal patterns within these series can provide valuable insights. Temporal pattern mining (TPM) extends traditional pattern mining by…

Databases · Computer Science 2024-10-01 Van Ho Long , Nguyen Ho , Trinh Le Cong , Anh-Vu Dinh-Duc , Tu Nguyen Ngoc

In this paper, we present a general scheme for building reproducible and extensible datasets for website phishing detection. The aim is to (1) enable comparison of systems using different features, (2) overtake the short-lived nature of…

Cryptography and Security · Computer Science 2024-04-24 Abdelhakim Hannousse , Salima Yahiouche

The rise of the programmable web offers new opportunities for the empirically driven social sciences. The access, compilation and preparation of data from the programmable web for statistical analysis can, however, involve substantial…

Computation · Statistics 2016-07-20 Ulrich Matter

Data summarization is the process of generating interpretable and representative subsets from a dataset. Existing time series summarization approaches often search for recurring subsequences using a set of manually devised similarity…

Machine Learning · Computer Science 2023-08-29 Alireza Ghods , Trong Nghia Hoang , Diane Cook

In industrial imaging, accurately detecting and distinguishing surface defects from noise is critical and challenging, particularly in complex environments with noisy data. This paper presents a hybrid framework that integrates both…

Image and Video Processing · Electrical Eng. & Systems 2024-12-13 Alejandro Garnung Menéndez

As the availability and the inter-connectivity of RDF datasets grow, so does the necessity to understand the structure of the data. Understanding the topology of RDF graphs can guide and inform the development of, e.g. synthetic dataset…

Databases · Computer Science 2019-07-04 Matthäus Zloch , Maribel Acosta , Daniel Hienert , Stefan Dietze , Stefan Conrad

Nowadays, the speed up development and use of digital devices such as smartphones have put people at risk of internet crimes. The evidence of present crimes in a computer file can be easily unreachable by changing the prefix of a file or…

Cryptography and Security · Computer Science 2021-02-26 Marzieh Masoumi , Ahmad Keshavarz , Reza Fotohi

Time series foundation models excel in zero-shot forecasting, handling diverse tasks without explicit training. However, the advancement of these models has been hindered by the lack of comprehensive benchmarks. To address this gap, we…

Machine Learning · Computer Science 2024-11-12 Taha Aksu , Gerald Woo , Juncheng Liu , Xu Liu , Chenghao Liu , Silvio Savarese , Caiming Xiong , Doyen Sahoo

Time series analysis by state-space models is widely used in forecasting and extracting unobservable components like level, slope, and seasonality, along with explanatory variables. However, their reliance on traditional Kalman filtering…

Machine Learning · Statistics 2024-08-20 André Ramos , Davi Valladão , Alexandre Street

There is a large number of data archives and web services offering free access to multispectral satellite imagery. Images from multiple sources are increasingly combined to improve the spatio-temporal coverage of measurements while…

Computation · Statistics 2020-02-10 U. Pérez-Goya , M. Montesino-SanMartin , A. F. Militino , M. D. Ugarte

Statistical analyses and descriptive characterizations are sometimes assumed to be offering information on time series forecastability. Despite the scientific interest suggested by such assumptions, the relationships between descriptive…

Atmospheric and Oceanic Physics · Physics 2022-02-22 Georgia Papacharalampous , Hristos Tyralis , Ilias G. Pechlivanidis , Salvatore Grimaldi , Elena Volpi

Multivariate spatio-temporal data refers to multiple measurements taken across space and time. For many analyses, spatial and time components can be separately studied: for example, to explore the temporal trend of one variable for a single…

Computation · Statistics 2026-02-24 H. Sherry Zhang , Dianne Cook , Ursula Laa , Nicolas Langrené , Patricia Menéndez

Software is increasingly produced in the form of ecosystems, collections of interdependent components maintained by a distributed community. These ecosystems act as network organizations, not markets, and thus often lack actionable…

Software Engineering · Computer Science 2020-12-14 Christopher Bogart , James Howison , James Herbsleb

Electricity theft is a major problem around the world in both developed and developing countries and may range up to 40% of the total electricity distributed. More generally, electricity theft belongs to non-technical losses (NTL), which…

Machine Learning · Computer Science 2017-07-26 Patrick Glauner , Jorge Meira , Lautaro Dolberg , Radu State , Franck Bettinger , Yves Rangoni , Diogo Duarte

Traditional evaluation metrics for learned models that report aggregate scores over a test set are insufficient for surfacing important and informative patterns of failure over features and instances. We introduce and study a method aimed…

Computer Vision and Pattern Recognition · Computer Science 2021-06-15 Sahil Singla , Besmira Nushi , Shital Shah , Ece Kamar , Eric Horvitz

Past research has identified a rich set of handcrafted linguistic features that can potentially assist various tasks. However, their extensive number makes it difficult to effectively select and utilize existing handcrafted features.…

Computation and Language · Computer Science 2023-06-02 Bruce W. Lee , Jason Hyung-Jong Lee

Program comprehension concerns the ability of an individual to make an understanding of an existing software system to extend or transform it. Software systems comprise of data that are noisy and missing, which makes program understanding…

Software Engineering · Computer Science 2019-02-05 Amir Saeidi , Jurriaan Hage , Ravi Khadka , Slinger Jansen

Feature requests are proposed by users to request new features or enhancements of existing features of software products, which represent users' wishes and demands. Satisfying users' demands can benefit the product from both competitiveness…

Software Engineering · Computer Science 2026-02-27 Feifei Niu , Chuanyi Li , Haosheng Zuo , Jionghan Wu , Xin Xia

We introduce supervised feature ranking and feature subset selection algorithms for multivariate time series (MTS) classification. Unlike most existing supervised/unsupervised feature selection algorithms for MTS our techniques do not…

Machine Learning · Computer Science 2020-05-04 Shuchu Han , Alexandru Niculescu-Mizil