Image Processing in Combustion Control. - Juhani Hirvonen; Reijo Lilja; Kari Ikonen; Jarmo Nihtinen (Int. J. Pattern Recognit. Artif. Intell., 1996)

A fuzzy ontology based approach for mobilising industrial plant knowledge. - Antti Pakonen; Teemu Tommila; Juhani Hirvonen (ETFA, 2010)

Fuzzy Keyword Ontology for Annotating and Searching Event Reports . - Juhani Hirvonen; Teemu Tommila; Antti Pakonen; Christer Carlsson; Mario Fedrizzi; Robert Fullér (KEOD, 2010)