Building ontology is a fundamental but also hard work.Collaborative ontology editing tools can make ontology development more efficiently.In this paper,the important features of collaborative ontology development were analyzed,and several tools such as AGROVOC Concept Server Workbench(ACSW),Collaborative Protégé and WebProtégé were studied.Besides,some comparisons among them from several aspects were made and some prospects for the further improvement of these tools were given.Finally,we show it is a good way to build agricultural ontology with these tools collaboratively and simultaneously.
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