Author

An-Zi Yen

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Preprint Aug 2026

EgoArgus: Benchmarking VLMs as Situational Assistants for Modality-Grounded User Supports

VLMs are increasingly positioned as daily assistants that perceive first-person environments, follow user dialogue, and decide how to help. Existing egocentric benchmarks mainly evaluate visual understanding in isolation, leaving open whether models can arbitrate between visual evidence and user-provided language when...

Yu-Chien Tang, Yuhan Liu, An-Zi Yen · 0 citations

#natural language process... Oct 2025

CARPAS: Towards Content-Aware Refinement of Provided Aspects for Summarization in Large Language Models

A two-stage framework that derives lightweight scope guidance before aspect refinement and summarization, improving focus and reducing over-generation is introduced, establishing a crucial insight for the deployment of LLMs in similar real-world applications.

Yong-En Tian, Yu-Chien Tang, An-Zi Yen et al. · arXiv.org · 0 citations

Jul 2026

VDAR-Router: Adaptive LLMs Routing via Verbalized Query Difficulty Analysis Retrieval

VDAR-Router is proposed, a difficulty-aware retrieval-based routing framework for training-free LLM routing that consistently achieves better cost-performance trade-offs than existing baselines and helps retrieve more relevant examples and supports more reliable routing decisions.

Yu-Chien Tang, Jun-Chen Hung, Wen-Chih Peng et al. · arXiv.org · 0 citations