The construction of Thai Herbal Medicine
Ontology (THMO) used an ontology editing tool, Hozo.
Hozo is an environment for building ontology. The
features of Hozo support the role representation and
visualization of ontology schema based on knowledge
domain [8]. Ontology can be exported from Hozo to the
OWL (Web Ontology Language) format, which is the
standard language for creating ontology. The steps of
development process of this study are shown in Table 1
and are described as follows