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c++ - 什么是置换索引?

转载 作者:IT老高 更新时间:2023-10-28 21:52:55 27 4
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我正在阅读 Accelerated C++。我不明白练习 5-1:

Design and implement a program to produce a permuted index from the following input. A permuted index is one in which each phrase is indexed by every word in the phrase.

     The quick      brown fox jumped over the     fenceThe quick brown     fox                     jumped over the fence         jumped     over the fence            The     quick brown fox     jumped over     the fence                    The quick brown fox

那个解释对我来说不是很清楚。什么是置换索引?

最佳答案

The term permuted index is another name for a KWIC index, referring to the fact that it indexes all cyclic permutations of the headings. Books composed of many short sections with their own descriptive headings, most notably collections of manual pages, often ended with a permuted index section, allowing the reader to easily find a section by any word from its heading. This practice is no longer common.

发件人:http://en.wikipedia.org/wiki/Key_Word_in_Context

ps:您可以通过 http://www.proxify.com 访问维基百科

关于c++ - 什么是置换索引?,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/4015016/

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