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Re: Oracle's stand regarding N-TRIPLES

From: Zhe Wu <alan.wu@oracle.com>
Date: Fri, 19 Aug 2011 08:56:07 -0700
Message-ID: <4E4E8797.2010500@oracle.com>
To: public-rdf-wg@w3.org
Hi Steve,

I was under the impression that your product supported N-TRIPLES. Guess I was wrong.
Adding a new format can be more efficient for one system, and can be more in-efficient for another
system.

Thanks,

Zhe

On 8/19/2011 2:17 AM, Steve Harris wrote:
> I agree with Jeremy.
>
> For us, the lack of UTF-8 support is a serious impediment to using N-Triples as a bulk dump/restore format.
>
> We use UTF-8 internally to hold RDF literals, as every other format is natively UTF-8, so the export to N-Triples requires a lot of unnecessary and inefficient escaping.
>
> - Steve
>
> On 2011-08-18, at 23:26, Jeremy Carroll wrote:
>
>> Hi Zhe
>>
>> I find this a surprisingly strong position.
>> When ingesting N-Triples the code path to read UTF-8 and the code path to read \uXXXX escape sequences are probably equally horrible. The UTF-8 code path is the more conventional one to be following on the Web.
>>
>> It seems like a fairly small amount of extra code for a vendor to support, with negligible impact on performance. The only downside, that I can see, would be that new data will not be readable by old software, which is the normal downside with new versions of a format.
>>
>> We may differ in our judgment about how important that downside is, or I may have missed some other disadvantage that motivates Oracle's strong reaction.
>>
>> My understanding is that 2004 N-triples docs will be valid turtle docs ....
>>

>> Jeremy
>>
>>
>>
>> On 8/18/2011 9:05 AM, Zhe Wu wrote:
>>> Hi,
>>>
>>> After discussing with the whole Oracle Database Semantic Technologies team, we
>>> have the following consensus within Oracle.
>>>
>>> 1) The existing N-TRIPLES format [1] is key to Oracle's product;
>>> 2) Oracle hasn't received from Oracle's customers any change request/suggestions regarding the current N-TRIPLES syntax;
>>> 3) As a platform vendor, Oracle does not see any significant justifications to change/mend the existing syntax;
>>>
>>> Hence Oracle will not support any major changes to the existing N-TRIPLE format, including
>>> support for UTF-8.
>>>
>>> Thanks,
>>>
>>> Zhe&   Souri
>>>
>>> [1]http://www.w3.org/TR/rdf-testcases/#ntriples  (In "RDF Test Cases: W3C Recommendation 10 February 2004")
>>>
>>>
>>
Received on Friday, 19 August 2011 15:56:48 GMT

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