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Author

Lecheng Zheng

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Book Open access Nov 2026

AgentPDM: Context-Driven Agentic Reasoning for Predictive Maintenance

Predictive Maintenance (PDM) uses sensor signals to assess machine health and guide actions such as continued operation, monitoring, or repair. Existing data-driven classifiers and knowledge-driven condition-monitoring tools each capture only part of the expert diagnostic workflow, which also requires reasoning over se...

Shuaicheng Zhang, Tuo Wang, Lecheng Zheng et al. · 0 citations
#small language model Preprint Sep 2026

HypRQ-VAE: Hyperbolic Item Indexing for Long-Tail-Aware Generative Recommender Systems

Hyperbolic Residual-Quantized Variational AutoEncoder (HypRQ-VAE), the first framework to learn item indexing in hyperbolic space, is introduced, which significantly improves the performance of recommendation, particularly in recommending tail items.

Long-Feng Wu, Tong Zeng, Giovanni Seni et al. · 0 citations

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