Eric Pugh and René Kriegler recently spoke at ApacheCon @Home about Chorus, a reference implementation for ecommerce search. Chorus is based on Apache Solr (although with a little work it could use Elasticsearch) and lets you build a web shop entirely from open source components. Once you have your shop, you can use other Chorus components to rate search results, gather metrics and tune search using techniques such as boosting and synonyms. Moving to open source helps you own your ecommerce site search and helps you drive sales by showing the right results to your customers.
Here’s the video of their talk:
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