异质消息传递给异质网络的异质消息传递
George T Cantwell1,2, Alec Kirkley3,4,5, Filippo Radicchi6
1Santa Fe Institute, 1399 Hyde Park Road, Santa Fe, New Mexico 87501, USA.
Physical review. E
|October 18, 2023
概括
对于复杂的网络,可以通过允许节点调整其近似级别来改进消息传递 (MP). 与传统方法相比,这种有针对性的方法提高了准确性和速度.
科学领域:
- 计算网络分析 计算网络分析
- 算法优化的算法优化
- 图形理论是指图形的理论.
背景情况:
- 消息传递 (MP) 是一种用于网络问题近似的计算技术.
- 在短周期的网络中,MP的准确性下降,需要进行更正.
- 对于大型网络来说,MP中的循环校正可能是计算上昂贵的.
研究的目的:
- 为复杂网络开发一种更准确,更有效的消息传递方法.
- 为了解决纠正循环网络中的消息传递近似的计算挑战.
- 为传递消息引入基于节点的异质近似策略.
主要方法:
- 开发了一个基于节点的消息传递近似方法,允许每个节点的精度水平可变.
- 在109个不同的现实世界网络中进行了系统分析.
- 将异质方法的性能与传统消息传递方法进行了比较.
主要成果:
- 基于节点的异质MP方法在81%的测试网络中显示出更高的准确性.
- 这种方法在64%的案例中被证明比传统的MP更快.
- 在49%的网络中,这种方法比传统的MP更准确,更快.
结论:
- 异质的,基于节点的消息传递为复杂的网络问题提供了有针对性和高效的解决方案.
- 这种适应性策略克服了传统MP在循环丰富网络中的局限性.
- 这些发现表明,计算速度和近似精度都有显著的改善.
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