activity
20202025
most citedUltrahyperbolic Knowledge Graph Embeddings

33 citations · 91 across the 14 of their papers we have counts for

collaborators

14 papers

cs.CL2025

SEMMA: A Semantic Aware Knowledge Graph Foundation Model

Arvindh Arun, Sumit Kumar, Mojtaba Nayyeri +4

Knowledge Graph Foundation Models (KGFMs) have shown promise in enabling zero-shot reasoning over unseen graphs by learning transferable patterns. However, most existing KGFMs rely…

cs.CL2025

From Tokens to Lattices: Emergent Lattice Structures in Language Models

Bo Xiong, Steffen Staab

Pretrained masked language models (MLMs) have demonstrated an impressive capability to comprehend and encode conceptual knowledge, revealing a lattice structure among concepts. Thi…

cs.AI2023

NestE: Modeling Nested Relational Structures for Knowledge Graph Reasoning

Bo Xiong, Mojtaba Nayyeri, Linhao Luo +3

Reasoning with knowledge graphs (KGs) has primarily focused on triple-shaped facts. Recent advancements have been explored to enhance the semantics of these facts by incorporating…

cs.AI2023★ 11 cited

ChatRule: Mining Logical Rules with Large Language Models for Knowledge Graph Reasoning

Linhao Luo, Jiaxin Ju, Bo Xiong +3

Logical rules are essential for uncovering the logical connections between relations, which could improve reasoning performance and provide interpretable results on knowledge graph…

cs.AI2023★ 21 cited

A Survey on Temporal Knowledge Graph Completion: Taxonomy, Progress, and Prospects

Jiapu Wang, Boyue Wang, Meikang Qiu +8

Temporal characteristics are prominently evident in a substantial volume of knowledge, which underscores the pivotal role of Temporal Knowledge Graphs (TKGs) in both academia and i…

cs.AI2023★ 1 cited

Shrinking Embeddings for Hyper-Relational Knowledge Graphs

Bo Xiong, Mojtaba Nayyer, Shirui Pan +1

Link prediction on knowledge graphs (KGs) has been extensively studied on binary relational KGs, wherein each fact is represented by a triple. A significant amount of important kno…

cs.LG2023★ 3 cited

Towards Expressive Spectral-Temporal Graph Neural Networks for Time Series Forecasting

Ming Jin, Guangsi Shi, Yuan-Fang Li +7

Time series forecasting has remained a focal point due to its vital applications in sectors such as energy management and transportation planning. Spectral-temporal graph neural ne…

cs.AI2023★ 3 cited

Geometric Relational Embeddings: A Survey

Bo Xiong, Mojtaba Nayyeri, Ming Jin +4

Geometric relational embeddings map relational data as geometric objects that combine vector information suitable for machine learning and structured/relational information for str…

cs.IR2023★ 9 cited

HiPrompt: Few-Shot Biomedical Knowledge Fusion via Hierarchy-Oriented Prompting

Jiaying Lu, Jiaming Shen, Bo Xiong +3

Medical decision-making processes can be enhanced by comprehensive biomedical knowledge bases, which require fusing knowledge graphs constructed from different sources via a unifor…

cs.DB2023★ 2 cited

Modeling Relational Patterns for Logical Query Answering over Knowledge Graphs

Yunjie He, Mojtaba Nayyeri, Bo Xiong +3

Answering first-order logical (FOL) queries over knowledge graphs (KG) remains a challenging task mainly due to KG incompleteness. Query embedding approaches this problem by comput…

cs.LG2022★ 33 cited

Ultrahyperbolic Knowledge Graph Embeddings

Bo Xiong, Shichao Zhu, Mojtaba Nayyeri +4

Recent knowledge graph (KG) embeddings have been advanced by hyperbolic geometry due to its superior capability for representing hierarchies. The topological structures of real-wor…

cs.AI2022

Faithiful Embeddings for EL++ Knowledge Bases

Bo Xiong, Nico Potyka, Trung-Kien Tran +2

Recently, increasing efforts are put into learning continual representations for symbolic knowledge bases (KBs). However, these approaches either only embed the data-level knowledg…

cs.LG2021★ 8 cited

Pseudo-Riemannian Graph Convolutional Networks

Bo Xiong, Shichao Zhu, Nico Potyka +3

Graph convolutional networks (GCNs) are powerful frameworks for learning embeddings of graph-structured data. GCNs are traditionally studied through the lens of Euclidean geometry.…

cs.LG2020

MOFA: Modular Factorial Design for Hyperparameter Optimization

Bo Xiong, Yimin Huang, Hanrong Ye +2

This paper presents a novel and lightweight hyperparameter optimization (HPO) method, MOdular FActorial Design (MOFA). MOFA pursues several rounds of HPO, where each round alternat…