Abstract—To reuse ontologies of different types, ontology
mediation is required to reconcile mismatches between
heterogeneous ontologies. Ontology integration is one of the
major kind of ontology mediations in which an ontology is
selected to integrate either directly into an ontology development
process if no other suitable ontology is available or into an
ontology development process with other chosen ontology(ies).
The integration methodology developed by Pinto and Martins
has two major limitations in its design: 1) the methodology only
focuses on how to find, select and integrate existing ontologies
but fails to recognize integration itself is part of an ontology
development process, and 2) the methodology also fails to be
supported by any form of semi- or automatic tools especially in
finding suitable knowledge modules from a group of candidate
ontologies. To address the above limitations, this research
proposes a new ontology integration methodology that provides a
detailed description on how to incorporate and perform
integration including elicitation of key terms, identification of
source ontologies and their knowledge modules, and application
of ontology integration. This research also proposes a semiautomatic
tool called Integration-oriented Candidate Ontology
Evaluation System (ICOES) that can be used to find suitable
source ontologies from a group of candidate ontologies using as a
single or a combination of matching techniques as well as concept
distribution counter. Based on the matching results generated by
the ICOES, the most appropriate candidate ontologies can be
selected as source ontologies.