Semantic Web Technologies for Power Grid Management. - Mathias Uslar; Nikolai Dahlem (GI Jahrestagung (1), 2007)

Ontology-driven Semantic Mapping. - Domenico Beneventano; Nikolai Dahlem; Sabina El Haoum; Axel Hahn; Daniele Montanari; Matthias Reinelt (IESA, 2008)

User-Friendly Ontology Creation Methodologies - A Survey. - Nikolai Dahlem; Axel Hahn (AMCIS, 2009)

Towards an User-Friendly Ontology Design Methodology. - Nikolai Dahlem; Jianfeng Guo; Axel Hahn; Matthias Reinelt (IESA, 2009)

OntoClippy: A User-Friendly Ontology Design and Creation Methodology. - Nikolai Dahlem (Int. J. Intell. Inf. Technol., 2011)