Knowledge Representation and Ontology Mapping Methods for Product Data in Engineering Applications. - Pei Zhan; Uma Jayaram; Okjoon Kim; Lijuan Zhu (J. Comput. Inf. Sci. Eng., 2010)

Online Semantic Knowledge Management for Product Design Based on Product Engineering Ontologies. - Lijuan Zhu; Uma Jayaram; Okjoon Kim (Int. J. Semantic Web Inf. Syst., 2011)

Semantic Applications Enabling Reasoning in Product Assembly Ontologies - Moving Past Modeling. - Lijuan Zhu; Uma Jayaram; Okjoon Kim (J. Comput. Inf. Sci. Eng., 2012)

A Unified Strategy to Integrate Information and Methods Across Multiple Training Environments for Assembly Simulations. - Okjoon Kim; Uma Jayaram; Lijuan Zhu (J. Comput. Inf. Sci. Eng., 2014)