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IEEE/ICACT20260275 Slide.14
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Finally, we compares three user aggregation methods: First Hidden Representation, Mean Pooling, and Attention-Based Aggregation. Across all metrics, Mean Pooling shows the most stable performance on both datasets. While attention-based aggregation occasionally performs well on Pet Supplies, it lacks consistency. On Tools and Home Improvement, Mean Pooling consistently achieves the best results. | |
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