elasticsearch/docs/reference/query-dsl/boosting-query.asciidoc

[[query-dsl-boosting-query]]
=== Boosting Query

The `boosting` query can be used to effectively demote results that
match a given query. Unlike the "NOT" clause in bool query, this still
selects documents that contain undesirable terms, but reduces their
overall score.

[source,js]
--------------------------------------------------
{
    "boosting" : {
        "positive" : {
            "term" : {
                "field1" : "value1"
            }
        },
        "negative" : {
            "term" : {
                "field2" : "value2"
            }
        },
        "negative_boost" : 0.2
    }
}
--------------------------------------------------