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XQuery thsr:expand

MarkLogic Server 11.0 Product Documentation
thsr.expand

thsr.expand(
   query as cts.query,
   entries as Sequence,
   entries as (element() | Object)[],
   new-weight as Number?,
   min-weight as Number?,
   filter as Node[]
) as cts.query

Summary

Returns a query that searches for all the query strings specified in $query and their synonyms as found in $entries.

Parameters
query A cts.query item from any of the cts.*Query functions ( cts.wordQuery, cts.andQuery, and so on). Thesaurus expansion only occurs on an "unwildcarded" cts.query; it cannot expand "wildcarded" queries.
entries

An array of thesaurus entries, can be xml elements or javascript objects.
entries

An array of thesaurus entries, can be XML elements or javascript objects.
new-weight A new weight for the relevance ranking. If $new-weight is the empty sequence, then the relevance ranking is inherited from the parent query.
min-weight A minimum weight for the relevance ranking. If $min-weight is not the empty sequence then only queries with weight less than or equal to $min-weight will be expanded. Otherwise, all queiries are expanded.
filter Only return entries containing a node that is deep equal to at least one of the XML nodes specified by this parameter. The filter nodes must be nodes that can be found in a thesaurus entry. For example, <thsr:qualifier>birds</thsr:qualifier>.

Example

  const thsr = require("/MarkLogic/thesaurus");
  
  cts.search(
   cts.doc("/Docs/hamlet.xml").root.xpath("//LINE"),
   thsr.expand(
     cts.wordQuery("weary"), 
     thsr.lookup("/myThsrDocs/thesaurus.xml", 
     "weary"),
     (), 
     (), 
     () )
   )

   => This query returns all of the lines in Shakespeare's 
      Hamlet that have the word "weary" or any of the 
      synonyms of the word "weary"  :)

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