الباحثون

Yi Chang

المنشورات 4

نسخة أولية وصول مفتوح

More Choices, Fewer Decisions: Ordinal-Scale Bias in JEV-like Direct-Decision Models

Tianxiang Gao, Jinzhe Li, Zhiyuan Li وآخرون · 2026

Direct-decision models turn text into low-latency structured labels and scores, making them attractive for classification and automatic evaluation. Yet reliability requires more than accuracy: a model must also use the ordinal decision scale supplied by the user faithfully. We analyze JEV~1.13 and three open KEV models …

نسخة أولية وصول مفتوح

ConflictVLA-Bench: Benchmarking Behavioral Responses of Vision-Language-Action Models to Premise Conflicts

While Vision-Language-Action (VLA) models perform strongly on manipulation tasks, their responses to invalid task premises remain underexplored. Existing evaluations of premise conflicts often focus on terminal task outcomes, yet task failure alone cannot distinguish behavioral disengagement from continued pursuit foll …

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