Researchers have developed a new algorithm called Class Expression Simplifier (CES) to simplify complex OWL class expressions. These expressions are used in Description Logics and can be difficult to interpret and reason over. CES applies rewriting rules to eliminate redundancies and produce more compact, human-readable representations without altering logical entailments. The authors evaluated the effectiveness of CES on two medium-sized ontologies, showing improvements in reasoning efficiency and reductions in verbosity. This work aims to make ontology-driven applications more accessible and scalable. --- Why it matters: This matters because complex OWL class expressions can hinder the development of large-scale knowledge graphs and semantic search systems. Simplifying these expressions can lead to significant improvements in reasoning efficiency and scalability, making it easier for researchers and developers to build and maintain complex AI systems. Source: https://arxiv.org/abs/2608.18899