Besides, database search is not designed for relevance ranking, fuzzy search or multiple keywords.

另外，数据库搜索不适合于相关排序、模糊搜索和多关键字。

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The relevance ranking technology is a core technology of the search engine result reduction, and the ranking algorithm is directly influence the accuracy ratio.

相关排序技术是搜索引擎结果处理的一个核心技术，其排序算法的优劣直接影响查准率。

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To achieve high performance, flexibility, relevance ranking, and so on, some search engines connect to databases directly, extract data, and generate indexes from databases.

为实现高性能、灵活性以及相关排序等，一些搜索引擎与数据库直接相连，从数据库提取数据并生成索引。

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As the head of Google's antiwebspam team, he's rewriting the complex set of rules for ranking Web pages based on their relevance to a given query, which is the company's DNA, its single most important product and a trade secret more closely guarded than the recipe for Coke.

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