弹性搜索相关比率

Question

我的搜索查询工作正常（我希望），但有时候我得到的结果太多了，得分分别为1.5,0.7,0.6 ......或0.1,0.001,0.001 ...... 是否可以阻止低相关性结果？ 固定值不合适 - 因为它取决于最大_score（最相关结果的得分）。 它的工作就像“阻止所有结果，其中_score两倍于最大_score（得分最相关的结果）”

{
    "query": {
        "bool": {
            "disable_coord": true,
            "must": [
                { "match": {  
                    "ObjectTypeSysName": {
                        "query":    "participant"
                    }
                }
            },
               { "match": {
                    "_all": {
                        "query": "text-to-find",
                         "operator": "and",
                         "fuzziness": "AUTO",
                         "minimum_should_match": 1
                    }
                }}
            ],
           "should": [
            { "multi_match" : {
                "query":      "text-to-find",
                "type":       "best_fields",
                "fields":     [
                "*NAME",
                "ObjectData.EXTERNALID",
                "ObjectData.contactList.VALUE",
                "*SERIES",
                "*NUMBER"
                ],
                "operator":   "or",
                "boost": 2
            }}
            ]
        }
    }
}