121.sense

PUT my_index
{
  "mappings": {
    "my_type": {
      "properties": {
        "tag": {
          "type": "string",
          "fielddata": {
            "filter": {
              "frequency": {
                "min": 0.001,
                "max": 0.1,
                "min_segment_size": 500
              }
            }
          }
        }
      }
    }
  }
}