A2TTA: Anchored-and-Agile Test-Time Adaptation for Evolving Traffic Sensor Networks

Researchers introduced A2TTA, a test-time adaptation framework for traffic forecasting in evolving sensor networks.

It tackles both changing graph topology from new sensors and links, and temporal shifts at multiple time scales.

A2TTA separates adaptation into persistent global correction and context-specific specialization.

Experiments on ten real-world networks showed stronger forecasting across multiple backbones and prediction horizons.