[[specialized-queries]] == Specialized queries This group contains queries which do not fit into the other groups: <>:: This query finds documents which are similar to the specified text, document, or collection of documents. <>:: This query allows a script to act as a filter. Also see the <>. <>:: This query finds queries that are stored as documents that match with the specified document. <>:: A query that accepts other queries as json or yaml string. include::mlt-query.asciidoc[] include::script-query.asciidoc[] include::percolate-query.asciidoc[] include::wrapper-query.asciidoc[]