Author

Siyu Wang

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Preprint Jul 2026

Constraint-Aware Hierarchical Search for Regulation-Driven Fine-Grained Classification

Tasks such as customs tariff classification, export control categorization, and standards-based equipment coding require assigning an input instance to a fine-grained class under an explicit regulatory hierarchy. Unlike standard text classification, the correct label in these tasks is not determined by semantic similar...

Siyu Wang, Weiwu Tan, Lu-Lu Chen · 0 citations