同时DCWA支持争论推理，为广义封闭世界假设提供了一种逼近。

DCWA also provides an approximation for the generalized closed world assumption (GCWA) and supports argumentation.

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封闭世界假设作为谓词逻辑子句集进行增广完备的一种方法，也是完全可以引入本体知识库进行知识信息的增广完备的。

Closed World Assumption used in expanding the predicate logic clauses can also be taken into the ontological knowledge bases to finish the knowledge expansion there.

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首先，本文基于本地封闭式世界假设，从复杂巨系统的观点，将数据看作是子系统所拥有的资源。

First, based on the local world assumption and in the view of complex system, data can be viewed as the resources of respective sub-systems.

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