Welcome to Querqy.org!¶
Querqy.org is an umbrella for open source tools and libraries that helps you create a powerful e-commerce search platform quickly. The focus is on optimising search relevance from day one, beyond the out-of-the-box capabilities of the Solr and Elasticsearch search engines.
- Documentation (incl. a ‘Getting started’)
- Source code
Make sure you check Chorus, a _reference implementation_ for ecommerce search, now in Solr <https://docs.querqy.org/chorus/index.html> and Elasticsearch <https://docs.querqy.org/chorus/index.html> editions.
Get in touch!¶
Drop us an e-mail at hellopete@querqy.org or ping us on Gitter 
!
News¶
23 March 2022: Chorus, now also for Elasticsearch! https://opensourceconnections.com/blog/2022/03/23/chorus-now-also-for-elasticsearch/
5 March 2021: What’s new in Querqy for Solr (and Elasticsearch)? https://opensourceconnections.com/blog/2021/03/05/whats-new-in-querqy-the-query-preprocessor-for-solr-and-elasticsearch/
1 March 2021: Query’s integration tests explained: https://opensourceconnections.com/blog/2021/03/01/adding-integration-tests-to-a-solr-plugin-project/
18 February 2021: Querqy 5 for Solr is now available. Migration notes
9 July 2020: Querqy for Elasticsearch v1.2 is now available for Elasticsearch v. 7.8.0
7 July 2020: First of a series of blogposts about Chorus
We talked about Chorus and Querqy.org at MICES 2020: Towards an open source tool stack for e-commerce search.
(Slides)Blog post: Taming Search using Rules by Lucky Sharma. ASDA/Walmart Labs’ story about how they used Querqy rules when replacing the Endeca search engine with Solr.
8 June 2020: Querqy for Elasticsearch v1.2 released
6 June 2020: Querqy for Solr v4.9 released
25 May 2020: SMUI v3.6 released (Release notes)
Querqy.org - Tools and libraries¶
Querqy¶
A query rewriting library for Elasticsearch and Solr. It helps you tune your search results for specific search terms and reduces the overall complexity of query building. It also comes with many dials and knobs for search relevance optimisation. You can plugin in your own query rewriter.
Source code: Elasticsearch | Solr
Latest versions: 
| 
Release notes
SMUI¶
Search Management UI. A web UI to manage rules for query rewriting with Querqy (query-dependent synonyms, filters, boost/demote documents, …) Supports rule management per language, multiple rule deployment targets, per-tenant rules. Currently available for Solr.
Source code: SMUI
Release notes: v3.6
Chorus¶
A Docker compose based reference implementation for Solr and Elasticsearch to ramp up your search project quickly.
Source code: Chorus Solr Edition
Source code: Chorus Elasticsearch Edition
Who we are¶
Querqy.org is an initiative by
Eric Pugh
Johannes Peter
Paul M. Bartusch
René Kriegler
Feel free to get in touch!