activity
20222025
most citedOLaLa: Ontology Matching with Large Language Models

66 citations · 80 across the 26 of their papers we have counts for

collaborators

26 papers

cs.LG2025

Bio-KGvec2go: Serving up-to-date Dynamic Biomedical Knowledge Graph Embeddings

Hamid Ahmad, Heiko Paulheim, Rita T. Sousa

Knowledge graphs and ontologies represent entities and their relationships in a structured way, having gained significance in the development of modern AI applications. Integrating…

cs.AI2025

gpuRDF2vec -- Scalable GPU-based RDF2vec

Martin Böckling, Heiko Paulheim

Generating Knowledge Graph (KG) embeddings at web scale remains challenging. Among existing techniques, RDF2vec combines effectiveness with strong scalability. We present gpuRDF2ve…

cs.LG2025

ExeKGLib: A Platform for Machine Learning Analytics based on Knowledge Graphs

Antonis Klironomos, Baifan Zhou, Zhipeng Tan +4

Nowadays machine learning (ML) practitioners have access to numerous ML libraries available online. Such libraries can be used to create ML pipelines that consist of a series of st…

cs.IR2025

Walk&Retrieve: Simple Yet Effective Zero-shot Retrieval-Augmented Generation via Knowledge Graph Walks

Martin Böckling, Heiko Paulheim, Andreea Iana

Large Language Models (LLMs) have showcased impressive reasoning abilities, but often suffer from hallucinations or outdated knowledge. Knowledge Graph (KG)-based Retrieval-Augment…

cs.LG2025

GeoRDF2Vec Learning Location-Aware Entity Representations in Knowledge Graphs

Martin Boeckling, Heiko Paulheim, Sarah Detzler

Many knowledge graphs contain a substantial number of spatial entities, such as cities, buildings, and natural landmarks. For many of these entities, exact geometries are stored wi…

cs.LG2025

ReaLitE: Enrichment of Relation Embeddings in Knowledge Graphs using Numeric Literals

Antonis Klironomos, Baifan Zhou, Zhuoxun Zheng +3

Most knowledge graph embedding (KGE) methods tailored for link prediction focus on the entities and relations in the graph, giving little attention to other literal values, which m…