Task-Adaptive Meta-Learning Framework for Advancing Spatial Generalizability

نویسندگان

چکیده

Spatio-temporal machine learning is critically needed for a variety of societal applications, such as agricultural monitoring, hydrological forecast, and traffic management. These applications greatly rely on regional features that characterize spatial temporal differences. However, spatio-temporal data often exhibit complex patterns significant variability across different locations. The labels in many real-world can also be limited, which makes it difficult to separately train independent models Although meta has shown promise model adaptation with small samples, existing methods remain limited handling large number heterogeneous tasks, e.g., locations varying patterns. To bridge the gap, we propose task-adaptive formulations model-agnostic meta-learning framework transforms regionally into location-sensitive tasks. We conduct task following an easy-to-hard hierarchy are adapted tasks difficulty levels. One major advantage our proposed method improves It enhances generalization by automatically adapting corresponding level any new demonstrate superiority over diverse set baselines state-of-the-art frameworks. Our extensive experiments real crop yield show effectiveness spatial-related applications.

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ژورنال

عنوان ژورنال: Proceedings of the ... AAAI Conference on Artificial Intelligence

سال: 2023

ISSN: ['2159-5399', '2374-3468']

DOI: https://doi.org/10.1609/aaai.v37i12.26680