Robust Graph Neural Networks

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Robust Graph Neural Networks

Robust Graph Neural Networks

“As is standard in machine learning (ML), GNNs assume that training samples are selected uniformly at random (i.e., are an independent and identically distributed or “IID” sample). This is easy to do with standard academic datasets, which are specifically created for research analysis and therefore have every node already labeled. However, in many real world scenarios, data comes without labels, and labeling data can be an onerous process involving skilled human raters, which makes it difficult to label all nodes. In addition, biased training data is a common issue because the act of selecting nodes for labeling is usually not IID. For example, sometimes fixed heuristics are used to select a subset of data (which shares some characteristics) for labeling, and other times, human analysts individually choose data items for labeling using complex domain knowledge…”

Source: ai.googleblog.com/2022/03/robust-graph-neural-networks.html

March 17, 2022
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