Indexing data with Apache Lucene

In this recipe, we will demonstrate how to index a large amount of data with Apache Lucene. Indexing is the first step for searching data fast. In action, Lucene uses an inverted full-text index. In other words, it considers all documents, splits them into words or tokens, and then builds an index for each token so that it knows in advance exactly which document to look for if a term is searched.

Getting ready

The following are the steps to be implemented:

  1. To download Apache Lucene, go to, and click on the Download button. At the time of writing, the latest version of Lucene was 6.4.1. Once you click on the Download button, it will take you to the mirror websites that host ...

Get Java Data Science Cookbook now with the O’Reilly learning platform.

O’Reilly members experience live online training, plus books, videos, and digital content from nearly 200 publishers.