From the 2 of 4 linked papers with an AI index.
4 papers
MAG: A Web-Agent Benchmark and Harness for Multimodal Action and Guide Generation
Chengguang Gan, Hanjun Wei, Yunhao Liang +3
The paper presents MAG, a benchmark and harness that combine web‑agent action execution and guide text generation into a single multimodal task using screenshot‑based grounding, an…
A Learning-Rate-Gated Failure of GRPO in a Small Language and Vision-Language Model Web Agent: A Controlled Null and Its Mechanism
Chengguang Gan, Zhixi Cai, Yunhao Liang +3
The paper evaluates whether Group Relative Policy Optimization (GRPO) improves the performance of small (4‑8 B parameter) language and vision‑language web agents and finds that it…
A Multilingual Dataset and Empirical Validation for the Mutual Reinforcement Effect in Information Extraction
Chengguang Gan, Sunbowen Lee, Qingyu Yin +9
The Mutual Reinforcement Effect (MRE) describes a phenomenon in information extraction where word-level and sentence-level tasks can mutually improve each other when jointly modele…
Interpretable Clustering with Adaptive Heterogeneous Causal Structure Learning in Mixed Observational Data
Wenrui Li, Qinghao Zhang, Xiaowo Wang
Understanding causal heterogeneity is essential for scientific discovery in domains such as biology and medicine. However, existing methods lack causal awareness, with insufficient…