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Intern-Decision: Efficient Multimodal Decision Making with Autoregressive Masked Language Modeling

Interactive agents repeatedly choose among a finite set of actions, labels, or ordinal outcomes. Generating a free-form response for each choice adds latency and complicates the interface between a model and its environment. We present Intern-Decision, a family of 0.8B, 2B, and 4B multimodal decision models that return...

Tong Zhu, Zhe Xu, Ze-Feng He et al. · 0 citations
Preprint Sep 2026

LIFT: A Lifecycle-aware Interaction Factorization Transformer for Unified Retrieval and Ranking

Cascaded recommender systems use the same user history for retrieval and ranking, while the two stages have access to different information at different points of an interaction. We propose the Lifecycle-aware Interaction Factorization Transformer (LIFT), which decomposes each interaction into ordered Request, Item, Co...

Ke-Ji Miao, En-Hao Cheng, Yan Li et al. · 0 citations

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