通过目标完整性评估和源分布假设来调整图形模型
IEEE transactions on neural networks and learning systems
|November 6, 2025
概括
本研究介绍了用于图形转移学习 (GTL) 的无源域调整 (SFDA),允许在不访问原始源图形的情况下进行模型调整. 这种新的方法通过合成源数据和调整分布来提高对新数据集的图形模型性能.
科学领域:
- 图表 机器学习 机器学习
- 人工智能的人工智能
- 计算机科学 计算机科学
背景情况:
- 图形转移学习 (GTL) 适应模型跨图形数据集.
- 传统的GTL需要源图访问,限制其在隐私敏感场景中的使用.
- 无源域调整 (SFDA) 解决了没有源数据的 GTL.
研究的目的:
- 为图形转移学习开发一种新的SFDA方法.
- 为了使预训练的图形模型能够有效地适应目标图形,而无需访问源数据.
- 提高GTL在现实世界的场景中的灵活性和适用性.
主要方法:
- 将加权信息最大化损失与目标节点的后端整合体相结合.
- 估计源图分布和源节点的合成.
- 使用重建解码器来合成节点真实性和对抗性学习来实现分布对齐.
主要成果:
- 拟议的SFDA方法显著提高了图形模型适应性能.
- 实验结果表明,相对于现有的最先进的方法,其性能优越.
- 该方法有效地处理与源图不同分布的目标图.
结论:
- SFDA 是一种可行且有效的方法,用于在源代码无法使用的环境中进行图形转移学习.
- 开发的方法为适应图形模型提供了灵活而强大的解决方案.
- 这项研究促进了GTL领域的发展,通过使数据隐私或安全不受损害的适应.
更多相关视频
相关概念视频
Mechanistic Models: Compartment Models in Individual and Population Analysis
235
Mechanistic models are utilized in individual analysis using single-source data, but imperfections arise due to data collection errors, preventing perfect prediction of observed data. The mathematical equation involves known values (Xi), observed concentrations (Ci), measurement errors (εi), model parameters (ϕj), and the related function (ƒi) for i number of values. Different least-squares metrics quantify differences between predicted and observed values. The ordinary least...
235
Hypothesis: Accept or Fail to Reject?
29.3K
The outcome of any hypothesis testing leads to rejecting or not rejecting the null hypothesis. This decision is taken based on the analysis of the data, an appropriate test statistic, an appropriate confidence level, the critical values, and P-values. However, when the evidence suggests that the null hypothesis cannot be rejected, is it right to say, 'Accept' the null hypothesis?
There are two ways to indicate that the null hypothesis is not rejected. 'Accept' the null...
There are two ways to indicate that the null hypothesis is not rejected. 'Accept' the null...
29.3K
Source Transformation
11.0K
Source transformation is a fundamental technique employed in circuit analysis, offering a valuable tool for simplifying complex electrical circuits. This technique involves the replacement of either a voltage source in series with a resistor by a current source in parallel with a resistor, or vice versa. The key concept here is that when the original sources are deactivated (turned off), the equivalent resistance at the circuit's end terminals remains the same.
It is essential to note that when...
It is essential to note that when...
11.0K
Model Approaches for Pharmacokinetic Data: Distributed Parameter Models
228
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...
228
Accuracy and Errors in Hypothesis Testing
555
Hypothesis testing is a fundamental statistical tool that begins with the assumption that the null hypothesis H0 is true. During this process, two types of errors can occur: Type I and Type II. A Type I error refers to the incorrect rejection of a true null hypothesis, while a Type II error involves the failure to reject a false null hypothesis.
In hypothesis testing, the probability of making a Type I error, denoted as α, is commonly set at 0.05. This significance level indicates a 5%...
In hypothesis testing, the probability of making a Type I error, denoted as α, is commonly set at 0.05. This significance level indicates a 5%...
555
Theory of Attribution I: Correspondent Inference Theory
423
Correspondent inference theory, proposed by Jones and Davis in 1965, seeks to explain how individuals infer stable personality traits from observed behaviors. It suggests that people attribute actions to underlying dispositions rather than external circumstances, particularly when the behavior appears intentional and socially significant.Voluntary Behavior and Dispositional AttributionAccording to this theory, individuals are more likely to attribute behavior to personal traits when it appears...
423


