A Comparative Study of Ontology Languages and Tools. - Xiaomeng Su; Lars Ilebrekke (CAiSE, 2002)

Using a Semiotic Framework for a Comparative Study of Ontology Languages and Tools. - Xiaomeng Su; Lars Ilebrekke (Information Modeling Methods and Methodologies, 2005)

Authentication and Encryption in the Snow Disease Surveillance Network. - Johan Gustav Bellika; Lars Ilebrekke; Per Atle Bakkevoll; Håvard D. Johansen; Jeremiah Scholl; Monika Alise Johansen (MIE, 2009)