Author

Vasileios Belagiannis

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Preprint Aug 2026

Model-agnostic Retrieval-Augmented Extended Forecasting for time series

Empirical evaluation across multiple benchmark datasets demonstrates that RAEF outperforms RAF in both accuracy and inference overhead, and comprehensive comparisons with zero-shot and fine-tuned foundation models show that RAEF achieves competitive or superior performance to fine-tuning while avoiding its computational burden.

Juan Pablo Villa Serna, Rohan Asthana, Vasileios Belagiannis · 0 citations