According to the actual distribution of primary and secondary schools, the model establish a level of information integration system by the use of the virtual organization (VO).
该模型根据我国中小学校实际分布情况，利用虚拟组织(VO)构建了一个层次化的信息集成系统。
VO(Virtual Organization) is the basic management unit of grid computing, and coordinative computing group is the base of VO.
虚拟组织是网格计算的基本管理单元，而协同计算组是虚拟组织形成的基础。
A challenging problem of constructing Virtual Organization (VO) ontology is how to deal with the problem of member ontologies variations.
如何应对虚拟组织成员本体的变更问题是构建虚拟组织本体面临的主要挑战。
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