Caiyun Tech Team

Jan 6, 2025 · Artificial Intelligence

How Domain Knowledge Boosts GNN Accuracy for PM2.5 Forecasting

The article presents PM2.5‑GNN, a graph neural network that incorporates meteorological and geographic domain knowledge via a dynamic directed graph and a GRU module, achieving significantly lower RMSE and MAE than traditional models and demonstrating strong spatial‑temporal prediction capabilities through extensive experiments and case studies.