在移动云计算基础设施中计算近似查询的成本效益资源
Arun Kumar Sangaiah1,2, Amir Javadpour3,4, Pedro Pinto4
1International Graduate School of Artificial Intelligence, National Yunlin University of Science and Technology, Douliou 64002, Taiwan.
Sensors (Basel, Switzerland)
|September 9, 2023
概括
本研究引入了一个智能系统,用于在点对点数据库中进行近似设置值查询,使用没有采样的粒子优化. 与传统方法相比,这种新方法显著提高了查询效率,并减少了执行时间.
科学领域:
- 计算机科学 计算机科学
- 数据库系统 数据库系统
- 人工智能的人工智能
背景情况:
- 同行数据库 (P2P) 由于高成本和时间,在查询和答复方面面临挑战.
- 接近查询通常用于解决这些限制.
- 现有的方法,如洪水和采样算法,在准确性和效率方面存在缺点.
研究的目的:
- 开发一个智能系统,用于P2P数据库中的近似设置值查询.
- 通过粒子优化来增强系统智能.
- 为了避免采样方法及其固有的不准确性.
主要方法:
- 探索粒子优化,以提高P2P数据库查询智能.
- 开发一种新的方法,绕过抽样的需要.
- 对现有方法进行评估,包括洪水和并行扩散算法.
主要成果:
- 拟议的方法在发出查询和对同行进行审查的数量方面取得了显著的改进.
- 与洪水方法相比,实现了明显更快的执行时间.
- 在查询传输中展示了卓越的成本效益.
结论:
- 基于粒子优化的系统有效地处理P2P数据库中的近似设值查询.
- 避免采样可以提高查询处理的准确性和效率.
- 开发的方法为P2P查询答复提供了更有效和更具成本效益的解决方案.
更多相关视频
07:26Executing Complexity-Increasing Queries in Relational MySQL and NoSQL MongoDB and EXist Size-Growing ISO/EN 13606 Standardized EHR Databases
Published on: March 19, 2018
9.4K
12:11Computation of Atmospheric Concentrations of Molecular Clusters from ab initio Thermochemistry
Published on: April 8, 2020
8.2K
相关概念视频
01:28Accuracy, limits, and approximation
474
Accuracy, limits, and approximations are common in many fields, especially in engineering calculations. These concepts are imperative for ensuring that a given value is as close as possible to its true value.
Accuracy is defined as the closeness of the measured value to the true or actual value. In engineering mechanics, repeated measurements are taken during theoretical or experimental analyses to ensure that the result is precise and accurate.
The accuracy of any solution is based on the...
Accuracy is defined as the closeness of the measured value to the true or actual value. In engineering mechanics, repeated measurements are taken during theoretical or experimental analyses to ensure that the result is precise and accurate.
The accuracy of any solution is based on the...
474
01:05Estimation of the Physical Quantities
4.3K
On many occasions, physicists, other scientists, and engineers need to make estimates of a particular quantity. These are sometimes referred to as guesstimates, order-of-magnitude approximations, back-of-the-envelope calculations, or Fermi calculations. The physicist Enrico Fermi was famous for his ability to estimate various kinds of data with surprising precision. Estimating does not mean guessing a number or a formula at random. Instead, estimation means using prior experience and sound...
4.3K
02:12Short-distance Transport of Resources
16.1K
Short-distance transport refers to transport that occurs over a distance of just 2-3 cells, crossing the plasma membrane in the process. Small uncharged molecules, such as oxygen, carbon dioxide, and water, can diffuse across the plasma membrane on their own. In contrast, ions and larger molecules require the assistance of transport proteins due to their charge or size. Transport across membranes also occurs within individual cells, playing a variety of essential roles for the plant as a whole.
16.1K
01:26Linear Approximation in Frequency Domain
109
Linear systems are characterized by two main properties: superposition and homogeneity. Superposition allows the response to multiple inputs to be the sum of the responses to each individual input. Homogeneity ensures that scaling an input by a scalar results in the response being scaled by the same scalar.
In contrast, nonlinear systems do not inherently possess these properties. However, for small deviations around an operating point, a nonlinear system can often be approximated as linear....
In contrast, nonlinear systems do not inherently possess these properties. However, for small deviations around an operating point, a nonlinear system can often be approximated as linear....
109
01:24Area Computation by the Alternative Coordinate Method
82
The alternative coordinate method, also known as the Shoelace Formula, is a technique for determining the area of a traverse using Cartesian coordinates. This method relies on the sequential arrangement of x and y coordinates for each point of the shape, ensuring accuracy and ease of application.In this approach, each corner's x and y coordinates are listed as fractions, with the x-coordinate as the numerator and the y-coordinate as the denominator. These coordinates are arranged sequentially...
82
01:21Linear Approximation in Time Domain
99
Nonlinear systems often require sophisticated approaches for accurate modeling and analysis, with state-space representation being particularly effective. This method is especially useful for systems where variables and parameters vary with time or operating conditions, such as in a simple pendulum or a translational mechanical system with nonlinear springs.
For a simple pendulum with a mass evenly distributed along its length and the center of mass located at half the pendulum's length,...
For a simple pendulum with a mass evenly distributed along its length and the center of mass located at half the pendulum's length,...
99