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HHGT: Hierarchical Heterogeneous Graph Transformer for Heterogeneous Graph Representation Learning
Based on this structure, we propose a novel Hierarchical Heterogeneous Graph Transformer (HHGT) model, which seamlessly integrates a Type-level Transformer for aggregating nodes of different types within each k-ring neighborhood, followed by a Ring-level Transformer for aggregating different k-ring neighborhoods in a hierarchical manner.
Non-Orthogonal Multiple Access Enhanced Multi-User Semantic Communication
Semantic communication serves as a novel paradigm and attracts the broad interest of researchers.
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