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What are Graph Neural Networks

GlossaryDeep Learning

Neural networks designed to learn from graph-structured data such as nodes and relationships.

Definition

Graph Neural Networks is neural networks designed to learn from graph-structured data such as nodes and relationships. In practical AI work, it helps teams connect a concept to data, model behavior, product choices and evaluation. The useful question is not only what the term means, but how it affects quality, cost, reliability and risk in a real workflow.

Example

A team uses Graph Neural Networks to choose a model, design an experiment, compare alternatives or check whether an AI tool fits the task.

Why it matters

Graph Neural Networks matters because neural networks designed to learn from graph-structured data such as nodes and relationships can change how teams build, evaluate or choose AI systems.

How it works

A neural network transforms inputs through layers, learns from error signals and is checked on examples it did not see during training. For Graph Neural Networks, the key is to connect the definition with input data, assumptions, measurable outcomes and deployment limits.

Where it is used

  • Used in neural networks for text, images, speech, video, multimodal generation and complex prediction.

Limitations

Deep models can be expensive, data-hungry and hard to explain without additional evaluation tools.