单词：ontologies
n. (computer science) a rigorous and exhaustive organization of some knowledge domain that is usually hierarchical and contains all the relevant entities and their relations
n. the metaphysical study of the nature of being and existence
ontologies的用法和样例：
例句
- One simple use of ontologies in portal sites is for organization and browsing.在门户网站中，本体的一个简单使用就是利用其进行组织和浏览。
- Queries could exploit wine ontologies to retrieve wine relevant information.查询能够使用葡萄酒本体对与葡萄酒相关的信息进行检索。
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