collaborators

5 papers

cs.AI2026

GRACE: Gradient-aligned Reasoning Data Curation for Efficient Post-training

Junjie Li, Ziao Wang, NingXuan Ma +2

Existing reasoning data curation pipelines score whole samples, treating every intermediate step as equally valuable. In reality, steps within a trace contribute very unevenly, and…

cs.LG2026

ProxyKV: Cross-Model Proxy Pruning for Efficient Long-Context LLM Inference

Junjie Li, Jiong Lou, Jie Li

Efficient long-context inference in Large Language Models (LLMs) is severely constrained by the Key-Value (KV) cache memory wall, yet existing pruning methods force a choice betwee…

cs.CV2026

Uncovering Intrinsic Capabilities: A Paradigm for Data Curation in Vision-Language Models

Junjie Li, Ziao Wang, Jianghong Ma +1

Large vision-language models (VLMs) achieve strong benchmark performance, but controlling their behavior through instruction tuning remains difficult. Reducing the budget of instru…

cs.IR2025

GCRank: A Generative Contextual Comprehension Paradigm for Takeout Ranking Model

Ziheng Ni, Congcong Liu, Cai Shang +10

The ranking stage serves as the central optimization and allocation hub in advertising systems, governing economic value distribution through eCPM and orchestrating the user-centri…

cs.CV2025

GiVE: Guiding Visual Encoder to Perceive Overlooked Information

Junjie Li, Jianghong Ma, Xiaofeng Zhang +2

Multimodal Large Language Models have advanced AI in applications like text-to-video generation and visual question answering. These models rely on visual encoders to convert non-t…