The Collapsing query parser and the Expand component combine to form an approach to grouping documents for field collapsing in

The SpellCheck component is designed to provide inline query suggestions based on other, similar, terms. The basis for these suggestions

The MoreLikeThis search component enables users to query for documents similar to a document in their result list. It does this by

Document Transformers modify the information returned about documents in the results of a query. Using Document Transformers When executing a

With the Learning To Rank (or LTR for short) contrib module you can configure and run machine learned ranking models in Solr. The module

Query Re-Ranking allows you to run a simple query (A) for matching documents and then re-rank the top N documents

The Extended DisMax (eDisMax) query parser is an improved version of the DisMax query parser. In addition to supporting all the

The DisMax query parser is designed to process simple phrases (without complex syntax) entered by users and to search for

Solr’s default Query Parser is also known as the “lucene” parser. The key advantage of the standard query parser is