gistfile1.rb

{
    :bool => {
            :must => [
            [0] {
                :query_string => {
                     :query => "1",
                    :fields => [
                        [0] "site_id"
                    ]
                }
            },
            [1] {
                :query_string => {
                     :query => "published",
                    :fields => [
                        [0] "state"
                    ]
                }
            },
            [2] {
                :match_all => {}
            },
            [3] {
                :mlt_field => {
                    :title => {
                                     :like_text => "Land Rover",
                                 :min_term_freq => 1,
                                  :min_doc_freq => 1,
                        :percent_terms_to_match => 0.6
                    }
                }
            }
        ],
        :must_not => [
            [0] {
                :query_string => {
                     :query => "2937465105810235",
                    :fields => [
                        [0] "id"
                    ]
                }
            }
        ]
    }
}