随着知识量的迅速增长，引文网络已经形成了一个超大规模的网络系统。
With the rapid increase of knowledge, a large scale citation network is formed.
为网格环境下创建大规模分布式基于本体知识库体系的专家系统提供了参考模型。
It provides the reference model for constructing a large-scale distributed expert system based on ontology knowledge library in grid environment.
但具有大规模规则库的产生式系统，其知识的组织与管理越来越困难，推理效率也越低。
But as to the large of knowledge data base, it becomes more and more difficult for the organization and management of knowledge, so the reasoning efficiency of the system is also lower.
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