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Querying on big data is a challenging task due to the rapid growth of data amount. Approximate query processing (AQP) is a way to meet the requirement of fast response. In this paper, we propose a learning-based AQP method called the LAQP.…

数据库 · 计算机科学 2020-03-06 Meifan Zhang , Hongzhi Wang

Data is generated at an unprecedented rate surpassing our ability to analyze them. The database community has pioneered many novel techniques for Approximate Query Processing (AQP) that could give approximate results in a fraction of time…

数据库 · 计算机科学 2019-11-20 Saravanan Thirumuruganathan , Shohedul Hasan , Nick Koudas , Gautam Das

Despite continuous investments in data technologies, the latency of querying data still poses a significant challenge. Modern analytic solutions require near real-time responsiveness both to make them interactive and to support automated…

数据库 · 计算机科学 2021-01-06 Nir Regev , Lior Rokach , Asaf Shabtai

Error assessment for Approximate Query Processing (AQP) is a challenging problem. Bootstrap sampling can produce error assessment even when the population data distribution is unknown. However, bootstrap sampling needs to produce a large…

量子物理 · 物理学 2025-08-26 Feng Yu , Raya Jahan

Interactive visualizations are arguably the most important tool to explore, understand and convey facts about data. In the past years, the database community has been working on different techniques for Approximate Query Processing (AQP)…

数据库 · 计算机科学 2018-11-16 Moritz Kulessa , Alejandro Molina , Carsten Binnig , Benjamin Hilprecht , Kristian Kersting

Approximate Dynamic Programming (ADP) is a methodology to solve multi-stage stochastic optimization problems in multi-dimensional discrete or continuous spaces. ADP approximates the optimal value function by adaptively sampling both action…

最优化与控制 · 数学 2021-07-02 Vijay Kumar , Mort Webster

Sample-based approximate query processing (AQP) suffers from many pitfalls such as the inability to answer very selective queries and unreliable confidence intervals when sample sizes are small. Recent research presented an intriguing…

数据库 · 计算机科学 2021-03-31 Xi Liang , Stavros Sintos , Zechao Shang , Sanjay Krishnan

As more and more organizations rely on data-driven decision making, large-scale analytics become increasingly important. However, an analyst is often stuck waiting for an exact result. As such, organizations turn to Cloud providers that…

数据库 · 计算机科学 2020-03-17 Fotis Savva , Christos Anagnostopoulos , Peter Triantafillou

Nowadays, sampling-based Approximate Query Processing (AQP) is widely regarded as a promising way to achieve interactivity in big data analytics. To build such an AQP system, finding the minimal sample size for a query regarding given error…

数据库 · 计算机科学 2018-07-31 Xuebin Su , Hongzhi Wang , Jianzhong Li , Hong Gao

Deep learning has made remarkable progress recently, largely due to the availability of large, well-labeled datasets. However, the training on such datasets elevates costs and computational demands. To address this, various techniques like…

计算机视觉与模式识别 · 计算机科学 2024-07-11 Zhenghao Zhao , Yuzhang Shang , Junyi Wu , Yan Yan

In the current world, OLAP (Online Analytical Processing) is used intensively by modern organizations to perform ad hoc analysis of data, providing insight for better decision making. Thus, the performance for OLAP is crucial; however, it…

数据库 · 计算机科学 2022-04-15 Pritom Saha Akash , Wei-Cheng Lai , Po-Wen Lin

Database flexible querying is an alternative to the classic one for users. The use of Formal Concepts Analysis (FCA) makes it possible to make approximate answers that those turned over by a classic DataBase Management System (DBMS). Some…

数据库 · 计算机科学 2012-04-17 Oussama Tlili , Minyar Sassi , Habib Ounelli

Quantum machine learning seeks to leverage quantum computers to improve upon classical machine learning algorithms. Currently, robust uncertainty quantification methods remain underdeveloped in the quantum domain, despite the critical need…

机器学习 · 计算机科学 2026-05-18 Douglas Spencer , Samual Nicholls , Michele Caprio

In today's databases, previous query answers rarely benefit answering future queries. For the first time, to the best of our knowledge, we change this paradigm in an approximate query processing (AQP) context. We make the following…

数据库 · 计算机科学 2017-03-30 Yongjoo Park , Ahmad Shahab Tajik , Michael Cafarella , Barzan Mozafari

Approximate K Nearest Neighbor (AKNN) search in high-dimensional spaces is a critical yet challenging problem. In AKNN search, distance computation is the core task that dominates the runtime. Existing approaches typically use approximate…

数据库 · 计算机科学 2025-01-20 Mingyu Yang , Wentao Li , Jiabao Jin , Xiaoyao Zhong , Xiangyu Wang , Zhitao Shen , Wei Jia , Wei Wang

Quadratic programming (QP) forms a crucial foundation in optimization, encompassing a broad spectrum of domains and serving as the basis for more advanced algorithms. Consequently, as the scale and complexity of modern applications continue…

The amount of the available geospatial data grows at an ever faster pace. This leads to the constantly increasing demand for processing power and storage in order to provide data analysis in a timely manner. At the same time, a lot of…

数据库 · 计算机科学 2019-06-17 Dimitri Vorona , Andreas Kipf , Thomas Neumann , Alfons Kemper

Pairwise comparison data arise in many domains with subjective assessment experiments, for example in image and video quality assessment. In these experiments observers are asked to express a preference between two conditions. However, many…

机器学习 · 计算机科学 2020-04-14 Aliaksei Mikhailiuk , Clifford Wilmot , Maria Perez-Ortiz , Dingcheng Yue , Rafal Mantiuk

Exponential growth in data collection is creating significant challenges for data storage and analytics latency.Approximate Query Processing (AQP) has long been touted as a solution for accelerating analytics on large datasets, however,…

数据库 · 计算机科学 2025-06-10 Aaron Hurst , Daniel E. Lucani , Qi Zhang

Approximate query processing (AQP) is an interesting alternative for exact query processing. It is a tool for dealing with the huge data volumes where response time is more important than perfect accuracy (this is typically the case during…

分布式、并行与集群计算 · 计算机科学 2015-05-11 Witold Andrzejewski , Artur Gramacki , Jarosław Gramacki
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