• OPAS : ontology processing for assisted synthesisChristophe, Francois; Sell, Raivo; Bernard, Alain; Coatanea, EricProceedings of the ASME 2009 International Design Engineering Technical Conferences & Design Automation Conference IDETC/DAC 2009, August 30-September 2, 2009, San Diego, USA2009 / ? p https://www.researchgate.net/publication/259503578_OPAS_Ontology_Processing_For_Assisted_Synthesis