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In the last two decades, the continuous increase of computational power has produced an overwhelming flow of data which has called for a paradigm shift in the computing architecture and large scale data processing mechanisms. MapReduce is a…

数据库 · 计算机科学 2013-02-14 Sherif Sakr , Anna Liu , Ayman G. Fayoumi

Density-based clustering algorithms are widely used for discovering clusters in pattern recognition and machine learning since they can deal with non-hyperspherical clusters and are robustness to handle outliers. However, the runtime of…

机器学习 · 计算机科学 2022-07-07 Difei Cheng , Ruihang Xu , Bo Zhang , Ruinan Jin

Availability issues of industrial microservice systems (e.g., drop of successfully placed orders and processed transactions) directly affect the running of the business. These issues are usually caused by various types of service anomalies…

软件工程 · 计算机科学 2025-03-03 Dewei Liu , Chuan He , Xin Peng , Fan Lin , Chenxi Zhang , Shengfang Gong , Ziang Li , Jiayu Ou , Zheshun Wu

In the past few years, the number of OLAP applications increased quickly. These applications use two significantly different DB structures: multidimensional (MD) and table-based. One can show that the traditional model of relational…

数据库 · 计算机科学 2011-04-21 István Szépkúti

We present a fast general-purpose algorithm for high-throughput clustering of data "with a two dimensional organization". The algorithm is designed to be implemented with FPGAs or custom electronics. The key feature is a processing time…

仪器与探测器 · 物理学 2015-05-14 A. Annovi , M. Beretta

Data is evolving with the rapid progress of population and communication for various types of devices such as networks, cloud computing, Internet of Things (IoT), actuators, and sensors. The increment of data and communication content goes…

机器学习 · 计算机科学 2021-02-05 Swarajya Lakshmi V Papineni , Snigdha Yarlagadda , Harita Akkineni , A. Mallikarjuna Reddy

A hierarchical scheme for clustering data is presented which applies to spaces with a high number of dimension ($N_{_{D}}>3$). The data set is first reduced to a smaller set of partitions (multi-dimensional bins). Multiple clustering…

数据分析、统计与概率 · 物理学 2017-10-16 Kevin McIlhany , Stephen Wiggins

Retrieval-Augmented Generation (RAG) systems are increasingly deployed on large-scale document collections, often comprising millions of documents and tens of millions of text chunks. In industrial-scale retrieval platforms, scalability is…

信息检索 · 计算机科学 2026-01-08 Dario Maio , Stefano Rizzi

The plethora of algorithms in the research field of process mining builds on directly-follows relations. Even though various improvements have been made in the last decade, there are serious weaknesses of these relationships. Once events…

数据库 · 计算机科学 2023-07-24 Philipp Waibel , Lukas Pfahlsberger , Kate Revoredo , Jan Mendling

Large-scale industrial recommender systems are usually confronted with computational problems due to the enormous corpus size. To retrieve and recommend the most relevant items to users under response time limits, resorting to an efficient…

信息检索 · 计算机科学 2019-11-21 Han Zhu , Daqing Chang , Ziru Xu , Pengye Zhang , Xiang Li , Jie He , Han Li , Jian Xu , Kun Gai

Multiresolution analysis and matrix factorization are foundational tools in computer vision. In this work, we study the interface between these two distinct topics and obtain techniques to uncover hierarchical block structure in symmetric…

计算机视觉与模式识别 · 计算机科学 2017-05-17 Vamsi K. Ithapu , Risi Kondor , Sterling C. Johnson , Vikas Singh

Dimension reduction for high-dimensional compositional data plays an important role in many fields, where the principal component analysis of the basis covariance matrix is of scientific interest. In practice, however, the basis variables…

统计方法学 · 统计学 2021-09-13 Jingru Zhang , Wei Lin

The amount of data in the world is expanding rapidly. Every day, huge amounts of data are created by scientific experiments, companies, and end users' activities. These large data sets have been labeled as "Big Data", and their storage,…

数据库 · 计算机科学 2020-04-29 Mahdi Bohlouli , Frank Schulz , Lefteris Angelis , David Pahor , Ivona Brandic , David Atlan , Rosemary Tate

Efficient indexing and searching of high dimensional data has been an area of active research due to the growing exploitation of high dimensional data and the vulnerability of traditional search methods to the curse of dimensionality. This…

信息检索 · 计算机科学 2015-05-13 Yu Zhong

Nonlinear causal discovery from observational data imposes strict identifiability assumptions on the formulation of structural equations utilized in the data generating process. The evaluation of structure learning methods under assumption…

机器学习 · 统计学 2024-12-17 Georg Velev , Stefan Lessmann

This work is driven by a practical question: corrections of Artificial Intelligence (AI) errors. These corrections should be quick and non-iterative. To solve this problem without modification of a legacy AI system, we propose special…

机器学习 · 计算机科学 2021-10-26 Alexander N. Gorban , Bogdan Grechuk , Evgeny M. Mirkes , Sergey V. Stasenko , Ivan Y. Tyukin

Recently, differentiable causal discovery has emerged as a promising approach to improve the accuracy and efficiency of existing methods. However, when applied to high-dimensional data or data with latent confounders, these methods, often…

机器学习 · 计算机科学 2026-01-12 Pingchuan Ma , Qixin Zhang , Shuai Wang , Dacheng Tao

This paper proposes FREEtree, a tree-based method for high dimensional longitudinal data with correlated features. Popular machine learning approaches, like Random Forests, commonly used for variable selection do not perform well when there…

Many modern intrusion detection systems are based on data mining and database-centric architecture, where a number of data mining techniques have been found. Among the most popular techniques, association rule mining is one of the important…

密码学与安全 · 计算机科学 2016-08-05 Hyeok Kong , Cholyong Jong , Unhyok Ryang

Model-Based Diagnosis deals with the identification of the real cause of a system's malfunction based on a formal system model and observations of the system behavior. When a malfunction is detected, there is usually not enough information…

人工智能 · 计算机科学 2017-11-16 Patrick Rodler , Wolfgang Schmid , Konstantin Schekotihin