There is confliction among multiple factors resulting in variability of runtime system. Using the extended ECA rule ontology, policies have favorable semantic and are helpful to resolve these confliction.
由于影响系统运行时变化的各种因素之间可能存在着冲突,基于扩展ECA规则本体的政策表示有良好的语义基础,有助于政策冲突的消解。
参考来源 - 预见式自适应软件体系结构的研究·2,447,543篇论文数据，部分数据来源于NoteExpress
备选方法将本体看作特殊rdf模型，仅添加定义其语义规则的语句。
An alternative approach is to treat the ontology as a regular RDF model, and simply add statements defining its semantic rules.
此操作返回可以应用本体规则的reasoner。
This operation returns a reasoner ready to apply the ontology's rules.
该模型为本体中的类定义了访问规则和访问控制属性，并由此建立了访问控制关系。
In this model, the access rules and the access control attributes are defined. The relations for the access control are set up.
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