The concept lattice is an effective tool for data analysis and rule extraction, but as to the big formal context, some useful information may be submerged by the complex structure of the lattice.
概念格是数据处理和规则提取的重要工具。对于数据较大的形式背景，由于产生的概念格结构复杂，部分有用的信息将被这种复杂的结构所掩没。
A new concept of method base and knowledge expressing system by combination of production rule method, frame method and data base method appropriate to big knowledge base was proposed.
系统实现“四库一体化”结构，提出全新的方法库概念和适合于大体量知识库的产生式规则法、框架法、关系数据库法结合的知识表达体系。
A new concept of method base and knowledge expressing system by combination of production rule method, frame method and data base method appropriate to big knowledge base was proposed.
系统实现“四库一体化”结构，提出全新的方法库概念和适合于大体量知识库的产生式规则法、框架法、关系数据库法结合的知识表达体系。
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