collaborators

10 papers

cs.LG2025

Explore More, Learn Better: Parallel MLLM Embeddings under Mutual Information Minimization

Zhicheng Wang, Chen Ju, Xu Chen +5

Embedding models are a cornerstone of modern AI. Driven by Multimodal Large Language Models (MLLMs), they have made great progress in architecture and data curation, while the holi…

cs.CV2025

Wave-Particle (Continuous-Discrete) Dualistic Visual Tokenization for Unified Understanding and Generation

Yizhu Chen, Chen Ju, Zhicheng Wang +5

The unification of understanding and generation within a single multi-modal large model (MLLM) remains one significant challenge, largely due to the dichotomy between continuous an…

cs.IR2025

Modernizing Facebook Scoped Search: Keyword and Embedding Hybrid Retrieval with LLM Evaluation

Yongye Su, Zeya Zhang, Jane Kou +5

Beyond general web-scale search, social network search uniquely enables users to retrieve information and discover potential connections within their social context. We introduce a…

cs.AI2025

Evaluating Multi-Turn Bargain Skills in LLM-Based Seller Agent

Issue Yishu Wang, Kakam Chong, Xiaofeng Wang +7

In online second-hand marketplaces, multi-turn bargaining is a crucial part of seller-buyer interactions. Large Language Models (LLMs) can act as seller agents, negotiating with bu…

cs.CL2025

Benchmarking Multi-National Value Alignment for Large Language Models

Weijie Shi, Chengyi Ju, Chengzhong Liu +8

Do Large Language Models (LLMs) hold positions that conflict with your country's values? Occasionally they do! However, existing works primarily focus on ethical reviews, failing t…

cs.GR2025

Beyond Static Scenes: Camera-controllable Background Generation for Human Motion

Mingshuai Yao, Mengting Chen, Qinye Zhou +9

In this paper, we investigate the generation of new video backgrounds given a human foreground video, a camera pose, and a reference scene image. This task presents three key chall…