POWER: Program for an Ontology Based Working Environment for Modeling and Use of Regulations and Legislation. - Tom M. van Engers; Patries Kordelaar; I. Jan den Hartog; I. Glassée (DEXA Workshop, 2000)

Acquiring and Modelling Legal Knowledge Using Patterns: An Application for the Dutch Immigration and Naturalisation Service. - Patries Kordelaar; Freek van Teeseling; Edwin Hoogland (EKAW, 2010)