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From the 1 of 5 linked papers with an AI index.

collaborators

5 papers

cs.LG2026

Budget-Aware LLM Discovery via Cost-Calibrated Frontier Utility

Yansen Zhang, Yilu Liu, Tianyu Liu +6

The paper proposes CostAda, a cost‑aware controller that guides large language model‑based discovery by evaluating frontier progress relative to the token cost incurred, enabling m…

cs.CL2026

SEAL: Can Saturated Benchmarks Be Revived by LLM-as-a-Meta-Judge?

Jiamin Chen, Yidi Wu, Qiexiang Wang +6

Widely used language-model benchmarks are increasingly saturated, with frontier systems often receiving near-tied scores that standard metrics cannot resolve. Rather than construct…

cs.CL2026

DirectorBench: Diagnosing Long-Form Video Generation with Personalized Multi-Agent Evaluation

Jiamin Chen, Qianben Chen, Jiawen Zhang +5

Long-form video generation is rapidly moving from short, single-scene synthesis toward minute-long, multi-shot creation with narrative structure, cinematic control, audio, and cros…

cs.CL2026

Less Is More: Elevating RAG via Performance-Driven Context Compression

Ziqiang Cui, Yunpeng Weng, Xing Tang +7

Retrieval-Augmented Generation (RAG) has emerged as a promising paradigm for improving the timeliness of knowledge updates and the factual accuracy of large language models. Howeve…

cs.IR2026

Beyong Tokens: Item-aware Attention for LLM-based Recommendation

Xiaokun Zhang, Bowei He, Jiamin Chen +2

Large Language Models (LLMs) have recently gained increasing attention in the field of recommendation. Existing LLM-based methods typically represent items as token sequences, and…