collaborators

9 papers

cs.CL2026

PatchWorld: Gradient-Free Optimization of Executable World Models for Agent Environments

Jiaxin Bai, Yue Guo, Yifei Dong +13

World models for interactive text agents must typically be learned from observation-action trajectories alone. Specifically, the environment returns text observations after each ac…

cs.AI2026

Neural Scalable Symbolic Search Framework for Complex Logical Queries with Multiple Free Variables

Weizhi Fei, Hang Yin, Zihao Wang +3

Complex Query Answering (CQA) is a fundamental knowledge representation and reasoning task over incomplete knowledge graphs (KGs). Answering existential first-order queries with $k…

cs.LG2026

is Theoretically Large Enough for Embedding-based Top- Retrieval

Zihao Wang, Hang Yin, Lihui Liu +4

This paper studies the Minimal Embeddable Dimension (MED): the least dimension in which there exists a configuration of object vectors so that every subset of size at most

cs.CV2026

An Attribute-Based Measure of Video Complexity

Aditya Sarkar, Yi Li, Zihao Wang +6

A new framework for the estimation of the complexity posed by video-question pairs to video-LLMs, Video Attribute-Based Complexity (VideoABC), is proposed. Video complexity is defi…

cs.AI2026

Efficient and Scalable Neural Symbolic Search for Knowledge Graph Complex Query Answering

Weizhi Fei, Zihao Wang, hang Yin +3

Complex Query Answering (CQA) is a crucial reasoning task over Knowledge Graphs (KGs), which aims to answer first-order logical queries from incomplete KGs. While existing neural-s…

cs.CL2025

From Automation to Autonomy: A Survey on Large Language Models in Scientific Discovery

Tianshi Zheng, Zheye Deng, Hong Ting Tsang +4

Large Language Models (LLMs) are catalyzing a paradigm shift in scientific discovery, evolving from task-specific automation tools into increasingly autonomous agents and fundament…