(computer science) a rigorous and exhaustive organization of some knowledge domain that is usually hierarchical and contains all the relevant entities and their relations
the metaphysical study of the nature of being and existence
双语例句
1. According to this approach, we design and realize an Ontology - based Metadata Extraction System.
根据这个方法, 设计并实现了一个基于Ontology的元数据抽取系统.
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2. Under Ontology standard , the paper provides a scheme of rules expression based on Perl rules.