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Hierarchical text classification aims to leverage label hierarchy in multi-label text classification. Existing methods encode label hierarchy in a global view, where label hierarchy is treated as the static hierarchical structure containing all labels. Since global hierarchy is static and irrelevant to text samples, it makes these methods hard to exploit hierarchical information. Contrary to global hierarchy, local hierarchy as the structured target labels hierarchy corresponding to each textarXiv:2205.02613v1 fatcat:7sbc7wexbfc6raa57xvwcdrj6i