User Tools

Site Tools

Translations of this page:


This page lists short explanations of special terms regarding regain and search engines.


When the crawler found a document and extracted the text, then it stores that text in the search index using Lucene.

Lucene extract every single word from the document's text. Before the words are stored in the index, they are reduced to their base form using an analyzer. So searching for tree and trees has the same results.

Query syntax

The syntax of search queries.

Details see

Stopword list

Stopwords are words that shouldn't be stored in the index.

terminology.txt · Last modified: 2014/10/29 10:20 (external edit)