如何对用lucene索引的文档进行分类 [英] How to classify documents indexed with lucene

问题描述

我已将一组文档与Lucene分类（字段：内容，类别）。每个文档都有自己的类别，但其中一些标记为未分类。有没有办法在java中轻松地对这些文档进行分类？

I have classified a set of documents with Lucene (fields: content, category). Each document has it's own category, but some of them are labeled as uncategorized. Is there any way to classify these documents easily in java?

推荐答案

从Lucene 5.2.1开始，你可以使用索引文档以对新文档进行分类。开箱即用，Lucene提供了一个朴素的贝叶斯分类器，一个k-最近邻分类器（基于 MoreLikeThis 类和基于Perceptron的分类器。

As of Lucene 5.2.1, you can use indexed documents to classify new documents. Out of the box, Lucene offers a naive Bayes classifier, a k-Nearest Neighbor classifier (based on the MoreLikeThis class) and a Perceptron based classifier.

缺点是所有这些类都是标有实验警告，并记录了维基百科的链接。

The drawback is that all of these classes are marked with experimental warnings and documented with links to Wikipedia.

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