collaborators

7 papers

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.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.CL2026

LegalCiteBench: Evaluating Citation Reliability in Legal Language Models

Sijia Chen, Hang Yin, Shunfan Zhou

Large language models (LLMs) are increasingly integrated into legal drafting and research workflows, where incorrect citations or fabricated precedents can cause serious profession…

cs.CL2025

Enhancing Transformers for Generalizable First-Order Logical Entailment

Tianshi Zheng, Jiazheng Wang, Zihao Wang +5

Transformers, as the fundamental deep learning architecture, have demonstrated great capability in reasoning. This paper studies the generalizable first-order logical reasoning abi…

cs.AI2025

Extending Complex Logical Queries on Uncertain Knowledge Graphs

Weizhi Fei, Zihao Wang, Hang Yin +2

The study of machine learning-based logical query answering enables reasoning with large-scale and incomplete knowledge graphs. This paper advances this area of research by address…