DB2 Net search Extender provides a flexible query language to find relevant information based on complex retrieval operations involving Boolean combination, wildcard, and fuzzy search, for example.

DB 2 Net Search Extender提供了一种灵活的查询语言，可以根据复杂的获取操作(例如涉及布尔组合、通配符和模糊搜索)寻找相关信息。

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By modeling for the fuzzy requirement information, the model for design retrieval is more adapt to the design reuse engineering fact.

并且通过对模糊需求信息的建模，使设计检索模型更适合于表达设计重用的工程实际。

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A search engine of document information is improved and a heuristic search strategy with multithreading and distributing is implemented. It introduces fuzzy retrieval model on the object documents.

该系统改进了信息搜索引擎，实现了多线程分布启发式搜索策略，并提出了目标文本模糊搜索空间模型。

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