AAAI 2026

January 22, 2026

Singapore, Singapore

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Urban region embedding, which learns dense vector representations for urban zones, plays a foundational role in data-driven urban intelligence. These representations are critical for downstream applications like public safety management and infrastructure development, requiring nuanced understanding of urban functionality. A core challenge remains effective fusion of multi-view data (e.g., human mobility flows and static regional attributes) into unified zone representations. To this end, we propose \textbf{MVJC}, a \textbf{M}ulti-\textbf{v}iew \textbf{J}oint Learning and \textbf{C}ontrastive Learning framework, which employs: (1) Multi-view Joint Learning (MVJL) layer to model intra-view dependencies to extract view-specific features and (2) Multi-view Contrastive Learning (MVCL) layer to perform cross-region aggregation to derive consensus representations while capturing the regional complementarity. We further introduce a structure-aware contrastive loss that mitigates false negatives by aligning representations through region topology instead of instance identity. Extensive experiments on New York City datasets demonstrate MVJC's superiority: it reduces crime prediction MAE by 9.1\% (vs. 66.9 baseline) and improves land use clustering F-measure by 55.6\% (vs. 0.45 baseline) over state-of-the-art method, which is attributed to MVJC's synergy of joint and contrastive learning, yielding representations that are simultaneously predictive and semantically discriminative.

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Next from AAAI 2026

Prune&Comp: Free Lunch for Layer-Pruned LLMs via Iterative Pruning with Magnitude Compensation
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Prune&Comp: Free Lunch for Layer-Pruned LLMs via Iterative Pruning with Magnitude Compensation

AAAI 2026

+5
Xinrui Chen and 7 other authors

22 January 2026

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