中文
相关论文

相关论文: Sampling Strategies for Mining in Data-Scarce Doma…

200 篇论文

Spatial co-location pattern mining refers to the task of discovering the group of objects or events that co-occur at many places. Extracting these patterns from spatial data is very difficult due to the complexity of spatial data types,…

数据库 · 计算机科学 2018-10-23 Sanket Vaibhav Mehta , Shagun Sodhani , Dhaval Patel

Subsampling from a large data set is useful in many supervised learning contexts to provide a global view of the data based on only a fraction of the observations. Diverse (or space-filling) subsampling is an appealing subsampling approach…

统计方法学 · 统计学 2023-11-27 Boyang Shang , Daniel W. Apley , Sanjay Mehrotra

With the increasing computational power of current supercomputers, the size of data produced by scientific simulations is rapidly growing. To reduce the storage footprint and facilitate scalable post-hoc analyses of such scientific data…

机器学习 · 计算机科学 2021-04-14 Subhashis Hazarika , Ayan Biswas , Phillip J. Wolfram , Earl Lawrence , Nathan Urban

The assumption of complete domain knowledge is not warranted for robot planning and decision-making in the real world. It could be due to design flaws or arise from domain ramifications or qualifications. In such cases, existing planning…

人工智能 · 计算机科学 2020-11-19 Akshay Sharma , Piyush Rajesh Medikeri , Yu Zhang

Researchers have been facing a difficult problem that data generation mechanisms could be influenced by internal or external factors leading to the training and test data with quite different distributions, consequently traditional…

机器学习 · 统计学 2021-10-14 Anqi Wu

Estimating structures in "big data" and clustering them are among the most fundamental problems in computer vision, pattern recognition, data mining, and many other other research fields. Over the past few decades, many studies have been…

机器学习 · 计算机科学 2019-01-09 Maryam Jaberi , Marianna Pensky , Hassan Foroosh

Importance sampling is a rare event simulation technique used in Monte Carlo simulations to bias the sampling distribution towards the rare event of interest. By assigning appropriate weights to sampled points, importance sampling allows…

机器人学 · 计算机科学 2025-05-14 Liam A. Kruse , Alexandros E. Tzikas , Harrison Delecki , Mansur M. Arief , Mykel J. Kochenderfer

With continued advances in Geographic Information Systems and related computational technologies, statisticians are often required to analyze very large spatial datasets. This has generated substantial interest over the last decade, already…

统计方法学 · 统计学 2019-05-14 Lu Zhang , Abhirup Datta , Sudipto Banerjee

Low-rank matrix approximations, such as the truncated singular value decomposition and the rank-revealing QR decomposition, play a central role in data analysis and scientific computing. This work surveys and extends recent research which…

数值分析 · 数学 2014-04-29 Nathan Halko , Per-Gunnar Martinsson , Joel A. Tropp

An easy-to-implement form of the Metropolis Algorithm is described which, unlike most standard techniques, is well suited to sampling from multi-modal distributions on spaces with moderate numbers of dimensions (order ten) in environments…

高能物理 - 唯象学 · 物理学 2008-11-26 Benjamin C. Allanach , Christopher G. Lester

Machine learning for the parameterization of subgrid-scale processes in climate models has been widely researched and adopted in a few models. A key challenge in developing data-driven parameterization schemes is how to properly represent…

大气与海洋物理 · 物理学 2024-02-29 L. Minah Yang , Edwin P. Gerber

Advances in sampling schemes for Markov jump processes have recently enabled multiple inferential tasks. However, in statistical and machine learning applications, we often require that these continuous-time models find support on…

统计计算 · 统计学 2018-06-08 Iker Perez , Lax Chan , Mercedes Torres Torres , James Goulding , Theodore Kypraios

Low-resourced data presents a significant challenge for neural machine translation. In most cases, the low-resourced environment is caused by high costs due to the need for domain experts or the lack of language experts. Therefore,…

计算与语言 · 计算机科学 2024-05-22 Seunghyun Ji , Hagai Raja Sinulingga , Darongsae Kwon

The exponential growth of data in current times and the demand to gain information and knowledge from the data present new challenges for database researchers. Known database systems and algorithms are no longer capable of effectively…

数据库 · 计算机科学 2017-12-06 Yaron Gonen

We propose a method to reconstruct and cluster incomplete high-dimensional data lying in a union of low-dimensional subspaces. Exploring the sparse representation model, we jointly estimate the missing data while imposing the intrinsic…

计算机视觉与模式识别 · 计算机科学 2017-09-06 João Carvalho , Manuel Marques , João P. Costeira

Designing sparse sampling strategies is one of the important components in having resilient estimation and control in networked systems as they make network design problems more cost-effective due to their reduced sampling requirements and…

系统与控制 · 计算机科学 2019-07-22 Hossein K. Mousavi , Qiyu Sun , Nader Motee

Many computer vision systems require low-cost segmentation algorithms based on deep learning, either because of the enormous size of input images or limited computational budget. Common solutions uniformly downsample the input images to…

计算机视觉与模式识别 · 计算机科学 2022-08-19 Chen Jin , Ryutaro Tanno , Thomy Mertzanidou , Eleftheria Panagiotaki , Daniel C. Alexander

Knowledge Discovery and Data Mining (KDD) is a multidisciplinary area focusing upon methodologies for extracting useful knowledge from data and there are several useful KDD tools to extracting the knowledge. This knowledge can be used to…

信息检索 · 计算机科学 2012-02-24 Surjeet Kumar Yadav , Brijesh Bharadwaj , Saurabh Pal

Extracting the underlying low-dimensional space where high-dimensional signals often reside has long been at the center of numerous algorithms in the signal processing and machine learning literature during the past few decades. At the same…

Data-driven science is an emerging paradigm where scientific discoveries depend on the execution of computational AI models against rich, discipline-specific datasets. With modern machine learning frameworks, anyone can develop and execute…

机器学习 · 计算机科学 2022-08-09 Seth Ockerman , John Wu , Christopher Stewart
‹ 上一页 1 8 9 10 下一页 ›