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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Symantec is improving its automatic detection system by improving its heuristic engine, which evaluates program behaviors to identify potential virus risks.

CNN: Protect yourself from the next Melissa