域自适应图注意力监督网络用于跨网络边缘分类
IEEE transactions on neural networks and learning systems
|September 11, 2023
概括
本研究引入了一种新方法,用于在不同网络的图中对边缘进行分类,通过区分类似和不相似的节点连接来提高准确性. 该方法有效地处理噪音数据,以提高图形神经网络性能.
科学领域:
- 人工智能的人工智能
- 机器学习 机器学习
- 图形神经网络的神经网络
背景情况:
- 图形神经网络 (GNN) 与连接不同节点的杂边缘作斗争,降低了性能.
- 现有的GNN在单个网络内解决噪音边缘,但不跨越不同的网络.
研究的目的:
- 解决跨网络同型和异型边缘分类 (CNHHEC) 的新问题.
- 为有效的CNHHEC提出一个域自适应的图形注意力监督网络 (DGASN).
主要方法:
- DGASN使用多头图注意网络 (GAT) 编码器进行联合节点和边缘嵌入训练.
- 它使用使用源网络边缘标签对图形注意力学习进行直接监督.
- 敌对领域适应用于最大限度地减少领域分歧,并促进知识转移.
主要成果:
- 通过标签歧视性嵌入,DGASN有效地区分同性恋和异性恋边缘.
- 该方法减少异性边缘的负面影响,增强同性边缘的积极影响.
- 在现实数据集上实现了CNHHEC的最先进性能.
结论:
- DGASN为跨网络边缘分类提供了一个开创性的解决方案.
- 拟议的方法提高了GNN在多网络场景中对噪音边缘的稳定性.
- DGASN在跨域处理同型和异型边缘方面表现出显著的改进.
相关概念视频
Aggregates Classification
344
Aggregate classification is generally based on its size, petrographic characteristics, weight, and source. Size classification ranges from coarse to fine aggregates, defined by the size of the particles. Coarse aggregates are particles that do not pass through ASTM sieve No. 4, and aggregates that pass through the sieve are fine aggregates.
Petrographic classification groups aggregates based on common mineralogical characteristics. Some of the common mineral groups found in aggregates are...
Petrographic classification groups aggregates based on common mineralogical characteristics. Some of the common mineral groups found in aggregates are...
344
End Point Prediction: Gran Plot
371
A Gran plot is used to predict the equivalence volume or endpoint of a potentiometric or acid-base titration without reaching the endpoint. Typically, titration data is collected as a function of the titrant's volume up to a point less than the equivalence volume and then transformed into a linear format. The straight line is extended to the x-axis, indicating the necessary titrant volume to achieve the equivalence point.
For potentiometric titration, the Gran plot is created by plotting...
For potentiometric titration, the Gran plot is created by plotting...
371
Survival Tree
105
Survival trees are a non-parametric method used in survival analysis to model the relationship between a set of covariates and the time until an event of interest occurs, often referred to as the "time-to-event" or "survival time." This method is particularly useful when dealing with censored data, where the event has not occurred for some individuals by the end of the study period, or when the exact time of the event is unknown.
Building a Survival Tree
Constructing a...
Building a Survival Tree
Constructing a...
105
Classification of Systems-I
211
Linearity is a system property characterized by a direct input-output relationship, combining homogeneity and additivity.
Homogeneity dictates that if an input x(t) is multiplied by a constant c, the output y(t) is multiplied by the same constant. Mathematically, this is expressed as:
Homogeneity dictates that if an input x(t) is multiplied by a constant c, the output y(t) is multiplied by the same constant. Mathematically, this is expressed as:
211
Classification of Systems-II
171
Continuous-time systems have continuous input and output signals, with time measured continuously. These systems are generally defined by differential or algebraic equations. For instance, in an RC circuit, the relationship between input and output voltage is expressed through a differential equation derived from Ohm's law and the capacitor relation,
171


