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Dual-View Disentangled Multi-Intent Learning for Enhanced Collaborative Filtering

Disentangling user intentions from implicit feedback has become a promising strategy to enhance recommendation accuracy and interpretability. Prior methods often model intentions independently and lack explicit supervision, thus failing to capture the joint semantics that drive user-item interactions. To address these limitations, we propose DMICF, a unified framework that explicitly models interaction-level intent alignment while leveraging structural signals from both user and item perspectives. DMICF adopts a dual-view architecture that jointly encodes user-item interaction graphs from both sides, enabling bidirectional information fusion. This design enhances robustness under data sparsity by allowing the structural redundancy of one view to compensate for the limitations of the other. To model fine-grained user-item compatibility, DMICF introduces an intent interaction encoder that performs sub-intent alignment within each view, uncovering shared semantic structures that underlie user decisions. This localized alignment enables adaptive refinement of intent embeddings based on interaction context, thus improving the model's generalization and expressiveness, particularly in long-tail scenarios. Furthermore, DMICF integrates an intent-aware scoring mechanism that aggregates compatibility signals from matched intent pairs across user and item subspaces, enabling personalized prediction grounded in semantic congruence rather than entangled representations. To facilitate semantic disentanglement, we design a discriminative training signal via multi-negative sampling and softmax normalization, which pulls together semantically aligned intent pairs while pushing apart irrelevant or noisy ones. Extensive experiments demonstrate that DMICF consistently delivers robust performance across datasets with diverse interaction distributions.

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