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Re: Issue with DC XPath Expressions

From: Thierry MICHEL <tmichel@w3.org>
Date: Wed, 04 Apr 2012 09:58:07 +0200
Message-ID: <4F7BFF0F.1000809@w3.org>
To: Wonsuk Lee <wonsuk73@gmail.com>
CC: Florian Stegmaier <stegmai@dimis.fim.uni-passau.de>, Wonsuk Lee <wonsuk11.lee@samsung.com>, Tom Kurz <thomas.kurz@salzburgresearch.at>, public-media-annotation@w3.org
Wonsuk,

I can not revised the Ontology Recommendation as the document is frozen.
Therefore I have added these issues in the errata page (linked from the 
Rec).

http://www.w3.org/2012/01/mediaont-10-errata.html

Please review and confirm that it is OK.

Thierry.


Le 04/04/2012 01:31, Wonsuk Lee a écrit :
> Hi. Florian and All.
> Sorry for late reply.
>
> Thanks for Florian, two properties mapping were wrong.
>
> I added inline comments
>
> 2012년 3월 15일 오후 11:42, Florian Stegmaier<stegmai@dimis.fim.uni-passau.de>님의 말:
>> Hi Wonsuk, all,
>>
>> If we consider the YouTube XML response [1] as a basis for the XPath expressions specified in the corresponding mapping table, they are not valid for the following properties
>>
>> targetAudience ->  here media:rating is not under media:content but under media:group. this is not specified in the table.
>
> That's correct. We have to revise this mapping as below.
> rss/channel/item/media:group/media:rating
>
> @Thierry: Could you update this in the ontology REC spec?
>
>> compression ->  media:content is not directly a child of item, but of media:group
>>
>> duration ->  same issue as with compression
>>
>> format ->  same issue as with compression
>
> Current mapping table is correct for above three items (compression,
> duration, format).
>
>
>> publisher ->  complete different XPath
>
> That's right. This is similar mistake with earlier one. I think I was
> confused between media:content and media:group for some mapping.
>
> Therefore this mapping should be changed as below.
> rss/channel/item/media:group/media:credit[@role='uploader']
>
> @Thierry: Please update this in the REC spec.
>
> best regards,
> Wonsuk.
>
>
>> i hope this clarifies things a little bit.
>>
>> Cheers.
>>
>> [1] http://www.w3.org/2008/WebVideo/Annotations/drafts/metadata_formats/Youtube-new-example.xml
>> _____________________________
>> Dipl. Inf. Florian Stegmaier
>> Chair of Distributed Information Systems
>> University of Passau
>> Innstr. 43
>> 94032 Passau
>>
>> Room 248 ITZ
>>
>> Tel.: +49 851 509 3063
>> Fax: +49 851 509 3062
>>
>> stegmai@dimis.fim.uni-passau.de
>> https://www.dimis.fim.uni-passau.de/iris/
>> http://twitter.com/fstegmai
>> _____________________________
>>
>> Am 15.03.2012 um 01:12 schrieb Wonsuk Lee:
>>
>>> Hi. Thierry.
>>>
>>>> -----Original Message-----
>>>> From: Thierry MICHEL [mailto:tmichel@w3.org]
>>>> Sent: Wednesday, March 14, 2012 8:12 PM
>>>> To: Florian Stegmaier; Wonsuk Lee
>>>> Cc: Tom Kurz; public-media-annotation@w3.org
>>>> Subject: Re: Issue with DC XPath Expressions
>>>>
>>>> Florian,
>>>>
>>>> OK in YouTube, that is clear;-)
>>>>
>>>> The Ontology is not a REC. It is FROZEN.
>>>> http://www.w3.org/TR/        2012/REC-mediaont-10-20120209/
>>>>
>>>> The only thing we can do is to have an errata listed here.
>>>> http://www.w3.org/2012/01/mediaont-10-errata.html
>>>>
>>>> and /or in the document "A list of candidate formats  with additional
>>>> mappings is available"
>>>>
>>>> http://www.w3.org/2008/WebVideo/Annotations/drafts/ontology10/additional-
>>>> mappings.html
>>>>
>>>> Let's discuss it.
>>>>
>>>>
>>>> Also could you please provide the You Tube XPath expressions
>>>>   for which Thomas has identified problems:
>>>>
>>>>   targetAudience, compression, duration, format, publisher
>>>>
>>>> Wonsuk, could you please have a look at this issue ?
>>>
>>> Sure.
>>> @Florian: Could you let  me know the problems Thomas did look for?
>>>
>>>
>>> Best regards,
>>> Wonsuk.
>>>
>>>>
>>>> Thierry.
>>>>
>>>>
>>>> Le 14/03/2012 12:03, Florian Stegmaier a écrit :
>>>>> Sorry Thierry...not DC but in Youtube. Maybe these were once valid, but
>>>> now they have changed for the named properties.
>>>>>
>>>>> _____________________________
>>>>> Dipl. Inf. Florian Stegmaier
>>>>> Chair of Distributed Information Systems
>>>>> University of Passau
>>>>> Innstr. 43
>>>>> 94032 Passau
>>>>>
>>>>> Room 248 ITZ
>>>>>
>>>>> Tel.: +49 851 509 3063
>>>>> Fax: +49 851 509 3062
>>>>>
>>>>> stegmai@dimis.fim.uni-passau.de
>>>>> https://www.dimis.fim.uni-passau.de/iris/
>>>>> http://twitter.com/fstegmai
>>>>> _____________________________
>>>>>
>>>>> Am 14.03.2012 um 11:52 schrieb Thierry MICHEL:
>>>>>
>>>>>> Florian,
>>>>>>
>>>>>> I am not sure I understand the issue.
>>>>>>
>>>>>> The Dublin Core Xpath expressions
>>>>>>
>>>>>> http://www.w3.org/TR/2012/REC-mediaont-10-20120209/#dc-table
>>>>>>
>>>>>> are all N/A.
>>>>>>
>>>>>> What exactly needs to be updated ?
>>>>>>
>>>>>> Thierry
>>>>>>
>>>>>>
>>>>>>
>>>>>> Le 14/03/2012 09:30, Florian Stegmaier a écrit :
>>>>>>> Hi all,
>>>>>>>
>>>>>>> these are the properties, for which Thomas has identified XPath
>>>> problem:
>>>>>>>
>>>>>>> targetAudience, compression, duration, format, publisher
>>>>>>>
>>>>>>> Cheers.
>>>>>>> _____________________________
>>>>>>> Dipl. Inf. Florian Stegmaier
>>>>>>> Chair of Distributed Information Systems
>>>>>>> University of Passau
>>>>>>> Innstr. 43
>>>>>>> 94032 Passau
>>>>>>>
>>>>>>> Room 248 ITZ
>>>>>>>
>>>>>>> Tel.: +49 851 509 3063
>>>>>>> Fax: +49 851 509 3062
>>>>>>>
>>>>>>> stegmai@dimis.fim.uni-passau.de
>>>>>>> https://www.dimis.fim.uni-passau.de/iris/
>>>>>>> http://twitter.com/fstegmai
>>>>>>> _____________________________
>>>>>>>
>>>>>>>
>>>>>
>>
>>
>
>
>
Received on Wednesday, 4 April 2012 07:58:41 GMT

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