W3C home > Mailing lists > Public > public-grddl-comments@w3.org > January to March 2007

Re: Javascript and GRDDL

From: Stefano Mazzocchi <stefanom@MIT.EDU>
Date: Fri, 02 Mar 2007 17:55:15 -0800
Message-ID: <45E8D583.2090009@mit.edu>
To: Harry Halpin <hhalpin@ibiblio.org>
CC: Chimezie Ogbuji <ogbujic@bio.ri.ccf.org>, public-grddl-comments@w3.org

Harry Halpin wrote:
> Stefano - and I might add I'm quite a fan of the Simile worktools and am
> currently using them to create a history of interactivity - your
> comments from here were forwarded to the GRDDL WG [1]. I'm especially
> interested because last time I "demo'ed" GRDDL I used Piggybank and the
> various scrapers, and people really liked it. I would in particular I
> love it if the GRDDL scraper [2] used in Simile fully implements GRDDL.
> 
> You bring up all sorts of relevant points [1], particularly as regards
> "scraping." We have not on purpose ignored Javascript or scraping, and
> in fact our use-case document [3] has a use-case that not only mentioned
> using "tidy" to get valid XHTML out of messy "producer" HTML. Originally
> it also had a point about using "scraping" even if a GRDDL profile was
> missing, and did mention that it was risky, yet the point was deemed so
> risky and we had so little experience with it collectively that the
> point was removed. If a case can be made to put it back in, which is
> what you seem to be saying [1], then I am interested.
> 
> Re deployment, note that if a GRDDL transform can be put in the profile
> URI or a namespace document, the author of the instance document does
> not even have to explicitly add a link to a GRDDL transform. This
> significantly lowers the cost of GRDDL deployment, for as long as we can
> get the authors of popular namespaces to deploy transforms, we get RDF
> for free.
> 
> Also, we have specifically left GRDDL open for use of Javascript
> transformations. I understand Javascript has no standardized output
> stream, yet without any active Javascript developers for GRDDL it is
> hard for the GRDDL WG to provide any guidance. Since we already have
> developers in C, Python, and Java actively working on GRDDL
> implementations, a Javascript-based GRDDL implementation that uses
> Javascript transforms or interfaces with XSLT transforms (or both!)
> would be wonderful.
> 
> Ben Adida was working on a GRDDL-transformation using Javascript [4],
> but due to time constraints he is no longer doing so.
> 
> So, as GRDDL has just reached Last Call [5], now would be a good time to
> bring up any comments!
> 
> [1] http://simile.mit.edu/mail/ReadMsg?listName=General&msgId=15275
> [2] http://simile.mit.edu/wiki/GRDDL_Scraper
> [3]
> http://www.w3.org/2001/sw/grddl-wg/doc43/scenario-gallery.htm#html_tidy_use_case
> [4] http://www.w3.org/2006/07/SWD/wiki/hGRDDL_Example
> [5] http://www.w3.org/TR/grddl/
>
> Chimezie Ogbuji wrote:
>> I wanted to bring this to the attention of the WG (spotted by Danny). 
>> It would be a shame if this passed by the radar (at the very least it
>> is very relevant commentary):
>>
>> http://simile.mit.edu/mail/ReadMsg?listName=General&msgId=15275
>>
>> Chimezie Ogbuji
>> Lead Systems Analyst
>> Thoracic and Cardiovascular Surgery
>> Cleveland Clinic Foundation
>> 9500 Euclid Avenue/ W26
>> Cleveland, Ohio 44195
>> Office: (216)444-8593
>> ogbujic@ccf.org

Harry,

I've elaborated and commented more on my blog and added some
constructive criticism at the end.

http://www.betaversion.org/~stefano/linotype/news/100/

Hope this helps.

-- 
Stefano Mazzocchi
Digital Libraries Research Group                 Research Scientist
Massachusetts Institute of Technology
E25-131, 77 Massachusetts Ave               skype: stefanomazzocchi
Cambridge, MA  02139-4307, USA         email: stefanom at mit . edu
-------------------------------------------------------------------
Received on Saturday, 3 March 2007 01:55:34 GMT

This archive was generated by hypermail 2.2.0+W3C-0.50 : Tuesday, 8 January 2008 14:11:42 GMT