[Developers] More information on '/type/reflect'

[Sumit]

Hi,
Where can I find more reference on the '/type/reflect' properties i.e.
/type/reflect/any_master, /type/reflect/any_reverse and
/type/reflect/any_value. I see it being used in discussions and mailing
lists but was not able to find any info on these topics in the MQL tutorial
or the architecture/data model notes.
Here is a case/problem that I am trying to solve
 - Given a person's name and related information like country of birth,
profession, etc. find its freebase id.
 - The query should not rely on specific types like /location/country as the
place associated with a persons name could be a state or city or county too.
Same with profession, employers, etc.

After poking around into lists and discussions I tried the following query
which works, at least I think it is working. However I need to read up more
on the '/type/reflect' to be confident.

{
  "query" : [
    {
      "/type/reflect/any_master" : [
        {
          "name" : "new zealand"
        }
      ],
      "id" : [],
      "name" : "peter jackson",
      "type" : "/people/person"
    }
  ]
}


Thanks.
Sumit
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