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Solr MoreLikeThis Stage

This stage uses the content of the current document to query for similar documents, using Solr’s MoreLikeThis component.

This stage provides content-based recommendations. For collaborative recommendations, use the Recommend Items for Item stage.

See Recommendations and Boosting for more information.

Tips

  • The incoming query must include an id field in order to get recommendations from this stage. The stage returns documents similar to the one specified by this field.

  • Since these secondary queries tend to be large, this stage can impact search performance. You can improve performance by first clustering your documents, then configuring this stage to query a specific document cluster instead of all documents.

Configuration

Tip
When entering configuration values in the UI, use unescaped characters, such as \t for the tab character. When entering configuration values in the API, use escaped characters, such as \\t for the tab character.