class OpenSearch::DSL::Search::Queries::MoreLikeThis

A query which returns documents which are similar to the specified text or documents

@example Find documents similar to the provided text

search do
  query do
    more_like_this do
      like   ['Eyjafjallajökull']
      fields [:title, :abstract, :content]
    end
  end
end

@example Find documents similar to the specified documents

search do
  query do
    more_like_this do
      like   [{_id: 1}, {_id: 2}, {_id: 3}]
      fields [:title, :abstract]
    end
  end
end

@see opensearch.org/guide/en/opensearch/reference/current/query-dsl-mlt-query.html