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Sponsored Artificial Intelligence: A Modern Approach, Global Edition Artificial Intelligence: A Modern Approach, Global Edition

Author

Qing Liao

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Sep 2026

Turning Cold Entities Warm: LLM-Based User and Item Interaction Simulation for Recommendations

Recommendation throughout the cold-start period remains a challenge in recommender systems. Strictly cold entities (users/items) have no interactions, while warm-up entities only have a few unreliable interactions. Strict cold-start methods typically overlook warm-up entities, while warm-up methods are generally not de...

Hao Chen, Li-Jia Chen, Huan Gong et al. · 0 citations
Conference Aug 2026

Semantic relevance guided grounding for MLLM-based embodied navigation

Experiments on the AI2Thor platform demonstrate that SRG-Nav outperforms baseline methods in both success rate and path efficiency, validating that structured semantic-visual prompts significantly improve the robustness of embodied navigation.

Shuai Chen, Hao Chen, Beiyu Guo et al. · 0 citations

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