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相关概念视频

Issues And Trends In Healthcare Delivery System01:29

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The issues and trends in healthcare delivery are constantly changing. The COVID-19 pandemic is one recent issue that wreaked havoc on healthcare systems, causing a shortage of healthcare workers, high demand for medicines and supplies, and increased medical expenditure due to a lack of insurance. Other issues include rising healthcare costs and care fragmentation.
Cost Containment
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Another way in which a group presence can affect performance is social loafing—the exertion of less effort by a person working together with a group. Social loafing occurs when our individual performance cannot be evaluated separately from the group. Thus, group performance declines on easy tasks (Karau & Williams, 1993). Essentially individual group members loaf and let other group members pick up the slack. Because each individual’s efforts cannot be evaluated,...
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Relation Between the Distributed Load and Shear01:23

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Understanding the relationship between the distributed load and shear force in structural analysis is crucial for analyzing beams subjected to various loading conditions. Consider the case of a beam experiencing a distributed load, two concentrated loads, and a couple moment.
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Beams are structural elements commonly employed in engineering applications requiring different load-carrying capacities. The first step in analyzing a beam under a distributed load is to simplify the problem by dividing the load into smaller regions, which allows one to consider each region separately and calculate the magnitude of the equivalent resultant load acting on each portion of the beam. The magnitude of the equivalent resultant load for each region can be determined by calculating...
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We have discussed why we form relationships, what attracts us to others, and different types of love. But what determines whether we are satisfied with and stay in a relationship? One theory that provides an explanation is social exchange theory. According to social exchange theory, we act as naïve economists in keeping a tally of the ratio of costs and benefits of forming and maintaining a relationship with others (Rusbult & Van Lange, 2003).
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The distribution law or Nernst's distribution law is the law that governs the distribution of a solute between two immiscible solvents. This law, also known as the partition law, states that if a solute is added to the mixture of two immiscible solvents at a constant temperature, the solute is distributed between the two solvents in such a way that the ratio of solute concentrations in the solvents remains constant at equilibrium.
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DecentralDC:根据分散的共享和交换区块链进行数据贡献评估.

Wenjun Ke1,2, Yulin Liu3, Jiahao Wang1

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本研究介绍了DecentralDC,这是一种通过分析行为模式来评估数据贡献的新方法. 这种方法增强了数据定价策略,大大减少了遗憾,提高了数据共享效率.

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科学领域:

  • 数据科学数据科学数据科学
  • 信息系统信息系统信息系统
  • 计算机科学 计算机科学

背景情况:

  • 数据质量对于有效的数据共享和经济价值至关重要,但目前的评估忽略了特定场景中的数据行为.
  • 现有的数据质量维度 (内在性,上下文性,呈现性,可访问性) 无法捕捉到数据的动态参与.
  • 缺乏行为分析阻碍了对资源部署和依赖数据的业务流程的优化.

研究的目的:

  • 提出一种新的数据贡献评估方法,DecentralDC,将数据行为纳入应用场景.
  • 通过考虑数据参与和支持的程度,解决当前数据质量评估的局限性.
  • 改进数据定价机制和整体数据共享效率.

主要方法:

  • 开发了DecentralDC,一个三步方法:挖掘行为范式的最大顺序模式,确定范式权重,并计算数据贡献.
  • 利用共享和交换行为范式来量化数据在特定场景中的作用.
  • 综合数据量与全面评估的计算贡献.

主要成果:

  • 在两个不同的场景中的实验验证证明了DecentralDC方法的有效性.
  • 引入数据贡献大大降低了数据定价中的累积遗憾和遗憾率.
  • 与领先的基线方法相比,在平均平均精度方面实现了6%和8%的改进.

结论:

  • 通过结合行为分析,DecentralDC提供了一种强大的数据贡献评估方法.
  • 该方法有效地增强了数据定价策略,导致更有效的数据共享和资源分配.
  • 开源代码和模拟场景促进了进一步的研究和拟议方法的应用.