[Developers] MQL index property

[Robert Cook]

I've imagined that such a property would indicate the kind of ordering  
and by which sub-property if the property expects a CVT/CRT or a type  
with a disambiguator.

R

On Apr 16, 2008, at 11:50 AM, Alexander Marks wrote:

> I've thought about this too -- I think a property to represent order  
> significance is a great idea. How about a new property hint at / 
> freebase/property_hints/ordered?
>
> ----- Original Message -----
> From: "David Flanagan" <david at davidflanagan.com>
> To: "For discussions about MQL, Freebase API and apps built on  
> Freebase" <developers at freebase.com>
> Sent: Wednesday, April 16, 2008 11:24:17 AM (GMT-0800) America/ 
> Los_Angeles
> Subject: Re: [Developers] MQL index property
>
> John Giannandrea wrote:
>
>> Ordering is optional, and the schema doesnt tell you if it is in use.
>> index order can be added to any clause, so anything might be ordered.
>> Its just another kind of assertion, albeit an unusual one.
>>
>> While you could add index:null, sort:index to every query, it only
>> makes sense to do so when you know you care and at least some of the
>> data is ordered.
>
> So this is kind of a meta question, but how do I know when the data is
> ordered.  I assume that somewhere, someone will write some  
> documentation
> saying that /music/album/track properties are (or should be) ordered,
> right?  (Oops, now that I've followed the link to
> http://freebase.com/view/guid/9202a8c04000641f800000000513b317, I see
> that this is in the documentation.  Sorry!)
>
> It seems to me that it would be nice if there was an informative (as
> opposed to normative) property of /type/property to indicate that  
> there
> is like to be an ordering on that property.
>
> 	David
>
>> In general most data is unordered and asking for things sorted is  
>> more
>> expensive.  So it very much depends on the data set.
>>
>> -jg
>>
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