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In recent years, machine learning-based cardinality estimation methods are replacing traditional methods. This change is expected to contribute to one of the most important applications of cardinality estimation, the query optimizer, to…

数据库 · 计算机科学 2023-04-03 Ryuichi Ito , Yuya Sasaki , Chuan Xiao , Makoto Onizuka

For any financial organization, computing accurate quarterly forecasts for various products is one of the most critical operations. As the granularity at which forecasts are needed increases, traditional statistical time series models may…

机器学习 · 计算机科学 2020-01-28 Allison Koenecke , Amita Gajewar

Neural link predictors learn distributed representations of entities and relations in a knowledge graph. They are remarkably powerful in the link prediction and knowledge base completion tasks, mainly due to the learned representations that…

人工智能 · 计算机科学 2018-12-18 Emir Muñoz , Pasquale Minervini , Matthias Nickles

Continuous integration testing is an important step in the modern software engineering life cycle. Test prioritization is a method that can improve the efficiency of continuous integration testing by selecting test cases that can detect…

软件工程 · 计算机科学 2021-10-15 Aizaz Sharif , Dusica Marijan , Marius Liaaen

Machine learning, and eventually true artificial intelligence techniques, are extremely important advancements in astrophysics and astronomy. We explore the application of deep learning using neural networks in order to automate the…

天体物理仪器与方法 · 物理学 2020-12-29 James Bird , Kellan Colburn , Linda Petzold , Philip Lubin

Cardinality estimation algorithms receive a stream of elements, with possible repetitions, and return the number of distinct elements in the stream. Such algorithms seek to minimize the required memory and CPU resource consumption at the…

网络与互联网体系结构 · 计算机科学 2019-03-15 Reuven Cohen , Yuval Nezri

Ensemble learning combines several individual models to obtain better generalization performance. Currently, deep learning architectures are showing better performance compared to the shallow or traditional models. Deep ensemble learning…

机器学习 · 计算机科学 2022-08-09 M. A. Ganaie , Minghui Hu , A. K. Malik , M. Tanveer , P. N. Suganthan

With the development of computational power and techniques for data collection, deep learning demonstrates a superior performance over most existing algorithms on visual benchmark data sets. Many efforts have been devoted to studying the…

计算机视觉与模式识别 · 计算机科学 2021-08-25 Yuanhong Xu , Qi Qian , Hao Li , Rong Jin , Juhua Hu

Scientists often use observational time series data to study complex natural processes, but regression analyses often assume simplistic dynamics. Recent advances in deep learning have yielded startling improvements to the performance of…

机器学习 · 计算机科学 2023-04-21 Cory Shain , William Schuler

Innovative learning based structures have recently been proposed to tackle index and cardinality estimation tasks, specifically learned indexes and data driven cardinality estimators. These structures exhibit excellent performance in…

数据库 · 计算机科学 2023-05-30 Yingze Li , Hongzhi Wang , Xianglong Liu

The medical field is creating large amount of data that physicians are unable to decipher and use efficiently. Moreover, rule-based expert systems are inefficient in solving complicated medical tasks or for creating insights using big data.…

计算机视觉与模式识别 · 计算机科学 2024-04-05 Paschalis Bizopoulos , Dimitrios Koutsouris

Cardinality estimation (CardEst) is a critical aspect of query optimization. Traditionally, it leverages statistics built directly over the data. However, organizational policies (e.g., regulatory compliance) may restrict global data…

数据库 · 计算机科学 2025-06-23 Peizhi Wu , Rong Kang , Tieying Zhang , Jianjun Chen , Ryan Marcus , Zachary G. Ives

Cardinality estimation and conjunctive query evaluation are two of the most fundamental problems in database query processing. Recent work proposed, studied, and implemented a robust and practical information-theoretic cardinality…

数据库 · 计算机科学 2025-04-04 Sungjin Im , Benjamin Moseley , Hung Q. Ngo , Kirk Pruhs

Many techniques have been developed for the cardinality estimation problem in data management systems. In this document, we introduce a framework for cardinality estimation of query patterns over property graph databases, which makes it…

数据库 · 计算机科学 2023-06-14 Wilco van Leeuwen , George Fletcher , Nikolay Yakovets

Deep learning has shown great promise in diverse areas of computer vision, such as image classification, object detection and semantic segmentation, among many others. However, as it has been repeatedly demonstrated, deep learning methods…

In recent years, deep learning techniques have outperformed traditional models in many machine learning tasks. Deep neural networks have successfully been applied to address time series forecasting problems, which is a very important topic…

机器学习 · 计算机科学 2021-04-09 Pedro Lara-Benítez , Manuel Carranza-García , José C. Riquelme

In this paper, a detailed study on crime classification and prediction using deep learning architectures is presented. We examine the effectiveness of deep learning algorithms on this domain and provide recommendations for designing and…

机器学习 · 计算机科学 2018-12-04 Panagiotis Stalidis , Theodoros Semertzidis , Petros Daras

Many real-world problems, e.g. object detection, have outputs that are naturally expressed as sets of entities. This creates a challenge for traditional deep neural networks which naturally deal with structured outputs such as vectors,…

计算机视觉与模式识别 · 计算机科学 2018-10-03 S. Hamid Rezatofighi , Roman Kaskman , Farbod T. Motlagh , Qinfeng Shi , Daniel Cremers , Laura Leal-Taixé , Ian Reid

Establishing accurate morphological measurements of galaxies in a reasonable amount of time for future big-data surveys such as EUCLID, the Large Synoptic Survey Telescope or the Wide Field Infrared Survey Telescope is a challenge. Because…

天体物理仪器与方法 · 物理学 2017-06-14 D. Tuccillo , M. Huertas-Company , E. Decenciere , S. Velasco-Forero

Deep Learning (DL) techniques now constitute the state-of-the-art for important problems in areas such as text and image processing, and there have been impactful results that deploy DL in several data management tasks. Deep Clustering (DC)…

数据库 · 计算机科学 2023-09-26 Hafiz Tayyab Rauf , Andre Freitas , Norman W. Paton