在网络系统中使用多序生成模型预测可变长度路径
Christoph Gote1,2,3, Giona Casiraghi1, Frank Schweitzer1
1Chair of Systems Design, ETH Zurich, Zurich, Switzerland.
概括
本研究介绍了MOGen,这是一种用于准确预测网络系统中的序列的新型生成模型框架. MOGen的性能优于现有的路径预测和模拟复杂系统动态的方法.
科学领域:
- 复杂系统科学 复杂系统科学
- 网络科学 网络科学
- 数据科学数据科学数据科学
背景情况:
- 网络系统生成路径数据,这些路径数据是由拓学约束的节点的时间顺序.
- 了解路径模式对于分析复杂系统和优化工程系统,如供应链和移动服务至关重要.
研究的目的:
- 介绍MOGen,一个生成型建模框架,用于准确的下一个元素和样本外预测路径.
- 开发一种无参数的模型选择方法,从数据中自动识别最佳模型.
- 建立一个数学形式主义,将路径模型与多层网络中的随机步行联系起来.
主要方法:
- 开发了MOGen,这是一个用于路径预测的生成建模框架.
- 实现了一个自动化的模型选择方法,用于无参数优化.
- 引入了一个数学框架,将高阶路径模型连接到多层网络随机步行.
主要成果:
- 在下一个元素和样本之外的路径预测中,MOGen表现出高精度和一致性.
- 经验数据显示,MOGen超越了当前最先进的序列建模技术.
- 建立了一个新的数学形式主义,将路径模型与多层网络中的随机步行联系起来.
结论:
- MOGen提供了一种有效的自动化解决方案,用于模拟和预测复杂的网络系统中的路径.
- 该框架通过准确的路径分析,促进了对复杂系统结构和动态的理解.
- 开发的数学形式主义为路径数据和网络动态之间的关系提供了新的见解.
相关概念视频
Sequence Networks of Rotating Machines
117
A Y-connected synchronous generator, grounded through a neutral impedance, is designed to produce balanced internal phase voltages with only positive-sequence components. The generator's sequence networks include a source voltage that is exclusively in the positive-sequence network. The sequence components of line-to-ground voltages at the generator terminals illustrate this configuration.
Zero-sequence current induces a voltage drop across the generator's neutral impedance and other...
Zero-sequence current induces a voltage drop across the generator's neutral impedance and other...
117
Multi-input and Multi-variable systems
122
Cruise control systems in cars are designed as multi-input systems to maintain a driver's desired speed while compensating for external disturbances such as changes in terrain. The block diagram for a cruise control system typically includes two main inputs: the desired speed set by the driver and any external disturbances, such as the incline of the road. By adjusting the engine throttle, the system maintains the vehicle's speed as close to the desired value as possible.
In the absence...
In the absence...
122
Model Approaches for Pharmacokinetic Data: Distributed Parameter Models
89
Pharmacokinetic models are mathematical constructs that represent and predict the time course of drug concentrations in the body, providing meaningful pharmacokinetic parameters. These models are categorized into compartment, physiological, and distributed parameter models.
The distributed parameter models are specifically designed to account for variations and differences in some drug classes. This model is particularly useful for assessing regional concentrations of anticancer or...
The distributed parameter models are specifically designed to account for variations and differences in some drug classes. This model is particularly useful for assessing regional concentrations of anticancer or...
89
Multicompartment Models: Overview
170
Multicompartment models are mathematical constructs that depict how drugs are distributed and eliminated within the body. They segment the body into several compartments, symbolizing various physiological or anatomical areas connected through drug transfer processes such as absorption, metabolism, distribution, and elimination.
These models offer a more comprehensive representation of drug behavior in the body than one-compartment models. They accommodate the complexity of drug distribution,...
These models offer a more comprehensive representation of drug behavior in the body than one-compartment models. They accommodate the complexity of drug distribution,...
170
Interference: Path Lengths
1.3K
Consider two sources of sound, that may or may not be in phase, emitting waves at a single frequency, and consider the frequencies to be the same.
Two special sources may be considered when they are in phase. This can be easily achieved by feeding the two sources from the same source. An example would be synchronizing the two speakers by feeding them with the same source, such as the sound waves produced by a tuning fork. This setup ensures that the two sources have the same frequency and are...
Two special sources may be considered when they are in phase. This can be easily achieved by feeding the two sources from the same source. An example would be synchronizing the two speakers by feeding them with the same source, such as the sound waves produced by a tuning fork. This setup ensures that the two sources have the same frequency and are...
1.3K
Indirect Motor Pathways
1.5K
The indirect motor or extrapyramidal pathways originate in the brainstem, the lower portion of the brain that connects it to the spinal cord. They consist of several distinct tracts, each with specialized functions. The four main tracts of the indirect motor pathways are the vestibulospinal tract, the reticulospinal tract, the tectospinal tract, and the rubrospinal tract.
The vestibulospinal tract originates in the vestibular nuclei of the brainstem. The vestibular system detects changes in...
The vestibulospinal tract originates in the vestibular nuclei of the brainstem. The vestibular system detects changes in...
1.5K


