[Developers] MQL license?

[Reilly Hayes]

Roland,

I should be able to get an answer for you on this in the next 24 hours.

Reilly Hayes
VP, Data
Metaweb



On Jun 8, 2009, at 8:31 AM, Roland Bouman wrote:

> Hi Marc, all,
>
> On Mon, Jun 8, 2009 at 4:52 PM, Marc Slayton<marc at metaweb.com> wrote:
>> I can't really speak to your question (sorry), but I am curious as to
>> what kind of engine (besides Freebase) you would want to speak MQL.
>> It's an interesting idea.
>
> I'm developing RDBMS-based AJAX applications, and for many purposes I
> prefer to use JSON to send results to the client. Now I find that I am
> always losing some time developing a protocol. This is usually quite
> simple but I'm always dealing with these questions like: "shall I use
> some REST schema? Perhaps some things are easier dealt with using the
> query part of the URI?" For the response I am usually dealing with
> plain tabular results, but then I need to ask myself: "Shall I allow
> metadata to be returned as part of the response?". And there are some
> times when tabular results are less than optimal - sometimes I really
> need to get a collection of objects, which may themselves have
> collections of objects, etc.
>
> Well, MQL seems to solve all these issues. I read the specification,
> and although I realize MQL was not designed for the task, I think that
> in many cases if will be possible to map MQL statements (or at least,
> a reasonable usable subset) to a RDBMS without the need for too much
> book keeping (i mean custom metadata to fit the MQL model) at the
> server side.
>
> So a very simple solution would be something like PHP script of
> Javaservlet that can interpret MQL, generate and execute the
> appropriate SQL statements, and then bunch up the data, wrap in JSON
> and return it in the response.
> I'm just trying to figure out whether such a script/servlet would
> violate a patent or terms of use.
>
>>
>> What if MQL were released under a GNU style license?  I suppose
>> the product you propose would then need to be opensource as well?
>
> I'm not sure whether its possible to release a language specification
> as GPL. I am not a licensing expert.
>
>
>>
>> I'm not really part of the discussion -- just curious in general.
>
> Thanks for asking, and kind regards,
>
> Roland
>
>>
>>
>>> I just would like to know whether I'm free to create a query  
>>> engine that
>>> speaks MQL.
>>
>> _______________________________________________
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>> http://lists.freebase.com/mailman/listinfo/developers
>>
>
>
>
> -- 
> Roland Bouman
> http://rpbouman.blogspot.com/
>
> Author of "Pentaho Solutions: Business Intelligence and Data
> Warehousing with Pentaho and MySQL",
> http://www.wiley.com/WileyCDA/WileyTitle/productCd-0470484322.html
> _______________________________________________
> Developers mailing list
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> http://lists.freebase.com/mailman/listinfo/developers

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