本文介绍了ElasticSearch能否返回相关段落而不是整个文档的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着小编来一起学习吧!

问题描述

我正在寻找一个搜索引擎,该搜索引擎只能返回相关段落而不是整个文档. ElasticSearch能够做到这一点吗?

I'm looking for a search engine that is able to return just relevant passages as a result and not the entire documents. Is ElasticSearch able to do this?

推荐答案

如果要提取较长文档的一部分,请查看突出显示.具体来说,像fragment_size(默认为100个字符)或boundary_chars之类的参数将帮助您构建该功能.

If you are looking to extract part of a long document, look at Highlighting. Specifically parameters like fragment_size (100 characters by default) or boundary_chars will help you to build that functionality.

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08-04 10:35
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