An ontology learning and reasoning frameworkHaav, Hele-MaiInformation modelling and knowledge bases XVII2006 / p. 302-309 : ill https://www.researchgate.net/publication/221014133_An_Ontology_Learning_and_Reasoning_Framework

Describing knowledge architecturesTõugu, EnnInformation modelling and knowledge bases XVII2006 / p. 329-340 : ill https://www.researchgate.net/publication/221014061_Describing_Knowledge_Architectures