The Agricultural Ontology Service (AOS) shall serve as a reference initiative that structures and standardises agricultural terminology in multiple languages for use of any number of systems in the agricultural domain and provide several services. The purpose of the AOS is to achieve more interoperability between agricultural systems. Applying standards promoted through the AOS shall account for better indexing and retrieval of agricultural bibliographic resources. The goals of the Agricultural Ontology Service are realized by assisting community partners in building ontologies. An ontology (computer science) is a system that contains concepts, the definitions of those concepts, and the specification of relationships among those concepts. For those coming from the traditional library world