I hope what I've written so far gives you a good idea of what concept-oriented catalogs are, and why they're worth thinking about as we plan for the future of libraries.
我希望这篇博文让你了解了什么是基于概念的目录，以及如果我们要规划图书馆的未来，它们为什么值得我们思考。
You learned about why you would choose a document-oriented database over a traditional RDBMS, and about the various great features that MongoDB has to offer.
您学习了为何要选择优于传统RDBMS的面向文档数据库，以及MongoDB提供的各种强大功能。
Another question is why we need to govern SOA, and why we have not talked about governance of, for example, CORBA or object-oriented (OO) design?
另一个问题是我们为什么需要治理SOA以及为什么我们以前没有谈过其他技术的治理，如CORBA，和面向对象(OO)设计。
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