English
Related papers

Related papers: Feature Extraction and Feature Selection: Reducing…

200 papers

Choosing which properties of the data to use as input to multivariate decision algorithms -- a.k.a. feature selection -- is an important step in solving any problem with machine learning. While there is a clear trend towards training…

High Energy Physics - Phenomenology · Physics 2022-12-02 Ranit Das , Gregor Kasieczka , David Shih

We are surrounded by huge amounts of large-scale high dimensional data. It is desirable to reduce the dimensionality of data for many learning tasks due to the curse of dimensionality. Feature selection has shown its effectiveness in many…

Machine Learning · Computer Science 2016-11-08 Jundong Li , Huan Liu

With the spreading prevalence of Big Data, many advances have recently been made in this field. Frameworks such as Apache Hadoop and Apache Spark have gained a lot of traction over the past decades and have become massively popular,…

Databases · Computer Science 2017-11-28 Anand Gupta , Hardeo Thakur , Ritvik Shrivastava , Pulkit Kumar , Sreyashi Nag

Data representation plays a critical role in the performance of novelty detection (or ``anomaly detection'') methods in machine learning. The data representation of network traffic often determines the effectiveness of these models as much…

Networking and Internet Architecture · Computer Science 2021-06-11 Kun Yang , Samory Kpotufe , Nick Feamster

The all-relevant problem of feature selection is the identification of all strongly and weakly relevant attributes. This problem is especially hard to solve for time series classification and regression in industrial applications such as…

Machine Learning · Computer Science 2017-05-23 Maximilian Christ , Andreas W. Kempa-Liehr , Michael Feindt

Feature selection (FS) is a key research area in the machine learning and data mining fields, removing irrelevant and redundant features usually helps to reduce the effort required to process a dataset while maintaining or even improving…

Machine Learning · Computer Science 2018-11-02 Raul-Jose Palma-Mendoza , Daniel Rodriguez , Luis de-Marcos

The increase in the use of the Internet and web services and the advent of the fifth generation of cellular network technology (5G) along with ever-growing Internet of Things (IoT) data traffic will grow global internet usage. To ensure the…

Networking and Internet Architecture · Computer Science 2022-12-13 Ramin Atefinia , Mahmood Ahmadi

We introduce a Python framework designed to automate the most common tasks associated with the extraction and upscaling of the statistics of single-impact crater functions to inform coefficients of continuum equations describing surface…

Computational Physics · Physics 2014-10-31 Scott A. Norris

Feature selection is a crucial step in building machine learning models. This process is often achieved with accuracy as an objective, and can be cumbersome and computationally expensive for large-scale datasets. Several additional model…

Machine Learning · Computer Science 2024-03-15 Shubham Sharma , Sanghamitra Dutta , Emanuele Albini , Freddy Lecue , Daniele Magazzeni , Manuela Veloso

As dataset sizes increase, data analysis tasks in high performance computing (HPC) are increasingly dependent on sophisticated dataflows and out-of-core methods for efficient system utilization. In addition, as HPC systems grow, memory…

Distributed, Parallel, and Cluster Computing · Computer Science 2019-10-01 George K. Thiruvathukal , Cameron Christensen , Xiaoyong Jin , François Tessier , Venkatram Vishwanath

Automatic Term Recognition is used to extract domain-specific terms that belong to a given domain. In order to be accurate, these corpus and language-dependent methods require large volumes of textual data that need to be processed to…

Computation and Language · Computer Science 2023-05-29 Ciprian-Octavian Truică , Neculai-Ovidiu Istrate , Elena-Simona Apostol

This paper introduces a novel feature extraction technique for the analysis of spectral line Stokes profiles. The procedure is based on the use of an auto-associative artificial neural network containing non-linear hidden layers. The neural…

Astrophysics · Physics 2009-11-10 H. Socas-Navarro

Modern encryption algorithms form the foundation of digital security. However, the widespread use of encryption algorithms results in significant challenges for network defenders in identifying which specific algorithms are being employed.…

Cryptography and Security · Computer Science 2025-11-12 Xiwen Ren , Min Luo , Cong Peng , Debiao He

Browser fingerprinting consists into collecting attributes from a web browser. Hundreds of attributes have been discovered through the years. Each one of them provides a way to distinguish browsers, but also comes with a usability cost…

Cryptography and Security · Computer Science 2020-10-14 Nampoina Andriamilanto , Tristan Allard , Gaëtan Le Guelvouit

In this paper we explore the performance limits of Apache Spark for machine learning applications. We begin by analyzing the characteristics of a state-of-the-art distributed machine learning algorithm implemented in Spark and compare it to…

Distributed, Parallel, and Cluster Computing · Computer Science 2018-06-21 Celestine Dünner , Thomas Parnell , Kubilay Atasu , Manolis Sifalakis , Haralampos Pozidis

The extraction, transformation, and loading of event logs from information systems is the first and the most expensive step in process mining. In particular, extracting event logs from popular ERP systems such as SAP poses major challenges,…

Databases · Computer Science 2021-10-08 Alessandro Berti , Gyunam Park , Majid Rafiei , Wil van der Aalst

Dynamic malware analysis executes the program in an isolated environment and monitors its run-time behaviour (e.g. system API calls) for malware detection. This technique has been proven to be effective against various code obfuscation…

Cryptography and Security · Computer Science 2020-01-27 Zhaoqi Zhang , Panpan Qi , Wei Wang

In this article, we describe a new method of extracting information from signals, called functional dissipation, that proves to be very effective for enhancing classification of high resolution, texture-rich data. Our algorithm bypasses to…

Data Analysis, Statistics and Probability · Physics 2012-06-15 D. Napoletani , D. C. Struppa , T. Sauer , V. Morozov , N. Vsevolodov , C. Bailey

Advanced Persistent Threats (APTs) pose a significant security risk to organizations and industries. These attacks often lead to severe data breaches and compromise the system for a long time. Mitigating these sophisticated attacks is…

Cryptography and Security · Computer Science 2025-08-04 Ehsan Hallaji , Roozbeh Razavi-Far , Mehrdad Saif

English. This document is designed to study the data structures that can be used in the Apache Spark framework and to evaluate the best performing ones to implement solutions, in particular we will evaluate advantages / disadvantages…

Databases · Computer Science 2018-10-30 Massimiliano Morrelli