Top "Lucene" questions

The term Lucene refers to the open source Java fulltext search engine library, but also to the entire eco-system that grew around it, including lucene.

Elasticsearch - combining query_string and bool query in filter

Is it possible to combine query_string and bool query in filter query? For Example - { "filter": { "query_string": { "query": "…

elasticsearch lucene query-string booleanquery
"Did you mean?" feature in Lucene.net

Can someone please let me know how do I implement "Did you mean" feature in Lucene.net? Thanks!

search lucene
Difference between BooleanClause.Occur.Must and BooleanClause.Occur.SHOULD in lucene

Can anyone explain the difference between the BooleanClause.Occur.Must and BooleanClause.Occur.SHOULD in lucene in BooleanQuery with an …

search lucene boolean
How to configure Solr to use Levenshtein approximate string matching?

Does Apaches Solr search engine provide approximate string matches, e.g. via Levenshtein algorithm? I'm looking for a way to …

lucene solr levenshtein-distance
Using RAMDirectory

When should I use Lucene's RAMDirectory? What are its advantages over other storage mechanisms? Finally, where can I find a …

lucene lucene.net
fuzzy search with lucene

I implemented a fuzzy search with lucene 4.3.1 but i'm not satisfied with the result. I would like to specify a …

lucene full-text-search fuzzy-search
ElasticSearch Analyzer and Tokenizer for Emails

I could not find a perfect solution either in Google or ES for the following situation, hope someone could help …

email elasticsearch lucene tokenize analyzer
how do I normalise a solr/lucene score?

I am trying to work out how to improve the scoring of solr search results. My application needs to take …

search lucene solr normalization tf-idf
How to use the Solr Data Import Handler to index a MySQL table?

When I try to import a mysql table by loading this in the browser: http://192.168.136.129:8983/solr/dataimport?command=full-import I …

mysql solr lucene dataimporthandler
Lucene query: bla~* (match words that start with something fuzzy), how?

In the Lucene query syntax I'd like to combine * and ~ in a valid query similar to: bla~* //invalid query Meaning: …

lucene wildcard fuzzy-search