How to do query auto-completion/suggestions in Lucene?

Question

I\'m looking for a way to do query auto-completion/suggestions in Lucene. I\'ve Googled around a bit and played around a bit, but all of the examples I\'ve seen seem to be s

Answer 1

You can use the class PrefixQuery on a "dictionary" index. The class LuceneDictionary could be helpful too.

Take a look at this article linked below. It explains how to implement the feature "Did you mean ?" available in modern search engine such as Google. You may not need something as complex as described in the article. However the article explains how to use the Lucene spell package.

One way to build a "dictionary" index would be to iterate on a LuceneDictionary.

Hope it helps

Did You Mean: Lucene? (page 1)

Did You Mean: Lucene? (page 2)

Did You Mean: Lucene? (page 3)