有些人认为词汇表和分类法也属于元数据的范畴。
Some people consider glossary and taxonomy as metadata as well.
Enterprise Vocabulary Net（EVN） TopQuadrant：查看基于 web 的解决方案，该解决方案用于简化对互相关联的受控词汇表、分类法、同义词表库、以及本体的开发与管理。
Enterprise Vocabulary Net (EVN) by TopQuadrant: Explore a web-based solution for simplified development and management of interconnected controlled vocabularies, taxonomies, thesauri, and ontologies.
TemaTres：从 SourceForge.net 上下载免费 TemaTres 软件，并尝试利用该 web 应用程序来管理知识、同义词库、分类法、以及多语言词汇表的正式表示。
TemaTres: Download TemaTres software for free at SourceForge.net and try this web application for management formal representations of knowledge, thesauri, taxonomies and multilingual vocabularies.
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