collaborators

6 papers

cs.CL2026

Can AI Reason Like an Urban Planner? Benchmarking Large Language Models Against Professional Judgment

Yijie Deng, He Zhu, Wen Wang +3

Problem, Research Strategy, and Findings: The rise of large language models (LLMs) raises a key question for urban planning: which forms of professional planning knowledge can AI r…

cs.CL2026

PlanBench-V: A Spatial Planning Map Benchmark for Vision-Language Models

Minxin Chen, He Zhu, Junyou Su +3

Spatial planning maps are central to territorial governance, translating planning objectives, regulations, and spatial strategies into visual forms for decision-making, public comm…

cs.LG2026

Anchored Supervised Fine-Tuning

He Zhu, Junyou Su, Peng Lai +4

Post-training of large language models involves a fundamental trade-off between supervised fine-tuning (SFT), which efficiently mimics demonstrations but tends to memorize, and rei…

cs.CL2026

InstructDiff: Domain-Adaptive Data Selection via Differential Entropy for Efficient LLM Fine-Tuning

Junyou Su, He Zhu, Xiao Luo +6

Supervised fine-tuning (SFT) is fundamental to adapting large language models, yet training on complete datasets incurs prohibitive costs with diminishing returns. Existing data se…

cs.CL2025

TAG-INSTRUCT: Controlled Instruction Complexity Enhancement through Structure-based Augmentation

He Zhu, Zhiwen Ruan, Junyou Su +4

High-quality instruction data is crucial for developing large language models (LLMs), yet existing approaches struggle to effectively control instruction complexity. We present TAG…

cs.CL2025

PlanGPT-VL: Enhancing Urban Planning with Domain-Specific Vision-Language Models

He Zhu, Junyou Su, Minxin Chen +4

In the field of urban planning, existing Vision-Language Models (VLMs) frequently fail to effectively analyze and evaluate planning maps, despite the critical importance of these v…