Author

Axel-Cyrille Ngonga Ngomo

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#machine learning Preprint Aug 2026

Neural Regression with Embeddings for Numerical Attribute Prediction in Knowledge Graphs

A neural regression model (LitEm) that enables transductive knowledge graph embedding models to predict numerical attributes within knowledge graphs and a co-training framework that jointly trains state-of-the-art transductive knowledge graph embedding models with LitEm, which improves link prediction performance mainl...

Rupesh Sapkota, Louis Mozart Kamdem Teyou, Moshood Yekini et al. · 0 citations

Jul 2026

MARS: Multi-hop Adaptive Retrieval and SPARQL Generation for KGQA

This work proposes MARS, a scalable knowledge graph question answering (KGQA) approach that requires no model fine-tuning, and performs a structured retrieval procedure that links question entities to the KG and iteratively retrieves relevant next-hop information.

Nikit Srivastava, Daniel Vollmers, René Speck et al. · arXiv.org · 0 citations

#artificial intelligence Preprint Aug 2026

Syntactic Simplification of OWL Class Expressions

This paper proposes Class Expression Simplifier (CES), a novel algorithm for the syntactic simplification of class expressions in Description Logics (DL), which aims to preserve formal semantics while reducing representational complexity.

Alkid Baci, N'Dah Jean Kouagou, Caglar Demir et al. · 0 citations