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Re: ANN: GoodRelations - E-Commerce on the Web of Data - New Datasets and Applications

From: Kingsley Idehen <kidehen@openlinksw.com>
Date: Wed, 20 May 2009 13:49:43 -0400
Message-ID: <4A1442B7.6030806@openlinksw.com>
To: Steve Harris <steve.harris@garlik.com>
CC: semantic-web at W3C <semantic-web@w3c.org>, semanticweb@yahoogroups.com, public-lod@w3.org
Steve Harris wrote:
>
> On 20 May 2009, at 16:38, Kingsley Idehen wrote:
>> Steve Harris wrote:
>>> Alternatively you could put that data in a RDF store, and just serve 
>>> up the fragments using a wrapped CONSTRUCT query.
>>>
>>> That's what we do for qdos.com, eg
>>>  http://qdos.com/user/Steve-Harris/18b6f60b41e05aaa418565ebfe901d6b/rdfxml 
>>>
>>> and it's pretty efficient, more efficient that storing 1000 separate 
>>> files as XML.
>>>
>>> The downside is that the RDF is not very pretty to look at, but it 
>>> could be with a better RDF/XML serialiser.
>>>
>>> - Steve
>> Steve,
>>
>> The data is already in an RDF Store. Of course, you can add yours 
>> etc. :-)
>>
>> Martin should have sent links like:
>>
>> 1. http://tr.im/lThV -- the whole ontology
>> 2. http://tr.im/lTiC -- sampling of Products or Service Model 
>> instance data
>
> Cool, how do I for eg. get the immediate data around 
> http://openean.kaufkauf.net/id/EanUpc_0001067792600 out? It's not 
> obvious how you request it.
>
> Do I just issue SPARQL to somewhere? The SPARQL link at the bottom 
> goes to a page about SPARQL.
> I poked around for a bit and tried
> http://lod.openlinksw.com/sparql?query=DESCRIBE+%3Chttp%3A%2F%2Fopenean.kaufkauf.net%2Fid%2FEanUpc_0001067792600%3E&output=n3 
>
> but it gives an error, so I'm not sure what I did wrong.
Steve,

Still hot staging a few things. Nothing wrong with your command, we just 
need to complete some data re-organization work on this particular instance.

Check back in a day or so :-)

Also, we are adding this Linked Commerce Data to the LOD cloud, so do 
expect a published dump for the static data from this emerging space. 
Re. new data about new business entities, check PingTheSemantic Web .

Kingsley
>
> - Steve
>
>>> On 20 May 2009, at 14:59, Martin Hepp (UniBW) wrote:
>>>
>>>> Hi Steve,
>>>> as I replied to Libby (but did not include all mailing lists): The 
>>>> whole data set is served from currently 100 smaller files, which 
>>>> will be broken down to 1000 files shortly. For various reasons 
>>>> however, we don't want to serve one file per element, because that 
>>>> will create a huge overhead - the individual data sets are rather 
>>>> small (a few triples per item). Having one million micro-files is 
>>>> hard to manage. Also, since we want to stay within OWL DL, we would 
>>>> have to duplicate proper ontology header meta-data a million times.
>>>>
>>>> Thus, we use a (rather large) set of rules in the .htaccess file to 
>>>> serve that part of the data set that contains the element you are 
>>>> actually looking for. You will receive a few more triples than you 
>>>> need, but simply discard those ;-)
>>>>
>>>> Martin
>>>>
>>>> Steve Harris wrote:
>>>>> Very cool resource.
>>>>>
>>>>> On 20 May 2009, at 10:18, Libby Miller wrote:
>>>>>>> Individual commodity descriptions can be retrieved as follows:
>>>>>>>
>>>>>>> http://openean.kaufkauf.net/id/EanUpc_<UPC/EAN>
>>>>>>>
>>>>>>> Example:
>>>>>>>
>>>>>>> http://openean.kaufkauf.net/id/EanUpc_0001067792600
>>>>>>
>>>>>> This seems to give me multiple product descriptions - am I 
>>>>>> misunderstanding?
>>>>>
>>>>> Yeah, looks like it returns the entire document that the 
>>>>> particular EAN appears in.
>>>>>
>>>>> Not very linked data friendly (you'll end up with a large 
>>>>> proportion of repeated triples in identical graphs, with different 
>>>>> graph URIS), but certainly better than nothing.
>>>>>
>>>>> - Steve
>>>>>
>>>>
>>>> -- 
>>>> --------------------------------------------------------------
>>>> martin hepp
>>>> e-business & web science research group
>>>> universitaet der bundeswehr muenchen
>>>>
>>>> e-mail: mhepp@computer.org
>>>> phone:  +49-(0)89-6004-4217
>>>> fax:    +49-(0)89-6004-4620
>>>> www:    http://www.unibw.de/ebusiness/ (group)
>>>>    http://www.heppnetz.de/ (personal)
>>>> skype:  mfhepp
>>>>
>>>> Check out the GoodRelations vocabulary for E-Commerce on the Web of 
>>>> Data!
>>>> ======================================================================== 
>>>>
>>>>
>>>> Webcast explaining the Web of Data for E-Commerce:
>>>> -------------------------------------------------
>>>> http://www.heppnetz.de/projects/goodrelations/webcast/
>>>>
>>>> Tool for registering your business:
>>>> ----------------------------------
>>>> http://www.ebusiness-unibw.org/tools/goodrelations-annotator/
>>>>
>>>> Overview article on Semantic Universe:
>>>> -------------------------------------
>>>> http://www.semanticuniverse.com/articles-semantic-web-based-e-commerce-webmasters-get-ready.html 
>>>>
>>>>
>>>> Project page and resources for developers:
>>>> -----------------------------------------
>>>> http://purl.org/goodrelations/
>>>>
>>>> Upcoming events:
>>>> ---------------
>>>> Full-day tutorial at ESWC 2009: The Web of Data for E-Commerce in 
>>>> One Day: A Hands-on Introduction to the GoodRelations Ontology, 
>>>> RDFa, and Yahoo! SearchMonkey
>>>>
>>>> http://www.eswc2009.org/program-menu/tutorials/70
>>>>
>>>> Talk at the Semantic Technology Conference 2009: Semantic Web-based 
>>>> E-Commerce: The GoodRelations Ontology
>>>>
>>>> http://www.semantic-conference.com/session/1881/
>>>>
>>>> <martin_hepp.vcf>
>>>
>>
>>
>> -- 
>>
>>
>> Regards,
>>
>> Kingsley Idehen          Weblog: http://www.openlinksw.com/blog/~kidehen
>> President & CEO OpenLink Software     Web: http://www.openlinksw.com
>>
>>
>>
>>
>


-- 


Regards,

Kingsley Idehen	      Weblog: http://www.openlinksw.com/blog/~kidehen
President & CEO 
OpenLink Software     Web: http://www.openlinksw.com
Received on Wednesday, 20 May 2009 17:50:21 GMT

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