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Yuyan Chen

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#artificial intelligence Preprint May 2026

Ottilie: A Socially Intelligent Virtual Host for Sales-Driven Live Commerce

Ottilie is presented, a sales-conversion-oriented virtual host for Chinese beauty live commerce that grounds product responses in a verified knowledge base, adapts discourse strategy to viewer intent through empathetic amplification, evidence-backed rebuttal, and humor-mediated deflection, and supervises all four outpu...

Yuyan Chen · 0 citations
Open access Aug 2026

A self-supervised DNA foundation model with collapse-resistant multimodal fusion

This work presents a self-supervised DNA-centric multimodal foundation model integrating DNA sequence embeddings with local and global chromatin accessibility in a shared encoder to produce reusable window-level embeddings that improve regulatory activity prediction, regulatory signal ranking and chromatin accessibilit...

Yuyan Chen · 0 citations

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