collaborators

11 papers

cs.AI2026

JT-SAFE-V2: Safety-by-Design Foundation Model with World-Context Data

Junlan Feng, Fanyu Meng, Chong Long +12

We introduce JT-Safe-V2, a large language model designed to advance the safety and trustworthiness of foundation models, extending our previous JT-Safe model toward a more comprehe…

cs.AI2026

EvoCode-Bench: Evaluating Coding Agents in Multi-Turn Iterative Interactions

Haiyang Shen, Xuanzhong Chen, Wendong Xu +3

Coding agents are increasingly used as iterative development partners, but most benchmarks still evaluate one specification followed by one final assessment. This leaves out a basi…

cs.AI2026

SGR-Bench: Benchmarking Search Agents on State-Gated Retrieval

Ningyuan Li, Haiyang Shen, Mugeng Liu +4

Recent advances in large language models and tool-using agents have expanded the range of benchmarked web tasks. Yet an important class of specialized retrieval tasks remains under…

cs.AI2026

Teaching AI Through Benchmark Construction: QuestBench as a Course-Based Practice for Accountable Knowledge Work

Haiyang Shen, Jiuzheng Wang, Taian Guo +9

As AI becomes part of everyday learning, many courses teach students to use it mainly as a productivity tool: how to prompt, search, summarize, write, code, and use tools more effi…

cs.AI2026

MindLoom: Composing Thought Modes for Frontier-Level Reasoning Data Synthesis

Haiyang Shen, Taian Guo, Xuanzhong Chen +11

Although LLMs have made substantial progress in reasoning, systematically producing frontier-level reasoning data remains difficult. Existing synthesis methods often have limited v…

cs.AI2026

DeepWeb-Bench: A Deep Research Benchmark Demanding Massive Cross-Source Evidence and Long-Horizon Derivation

Sixiong Xie, Zhuofan Shi, Haiyang Shen +8

Deep research, in which an agent searches the open web, collects evidence, and derives an answer through extended reasoning, is a prominent use case for frontier language models. F…