- From: Georgi Kobilarov <georgi.kobilarov@gmx.de>
- Date: Sat, 17 Oct 2009 18:39:22 +0200
- To: "'Kingsley Idehen'" <kidehen@openlinksw.com>, "Juan Sequeda" <juanfederico@gmail.com>
- Cc: <hepp@ebusiness-unibw.org>, <public-lod@w3.org>
> The Web of Linked > Data shouldn't be about mass crawling (search engine style) etc... It has to be. How would you answer a query like "all offers for a book written by a German author" without crawling the relevant data sets? Georgi > -----Original Message----- > From: public-lod-request@w3.org [mailto:public-lod-request@w3.org] On > Behalf Of Kingsley Idehen > Sent: Saturday, October 17, 2009 4:58 PM > To: Juan Sequeda > Cc: hepp@ebusiness-unibw.org; public-lod@w3.org > Subject: Re: The Power of Virtuoso Sponger Technology > > Juan Sequeda wrote: > > Does Sindice crawl this (or any other semantic web search engines)? > Juan, > > Sponger is not about Sindice crawling our proxy URIs. The Web of Linked > Data shouldn't be about mass crawling (search engine style) etc... Its > really supposed to be about smarter data network traversals triggered > by > data access requests. Basically, make the pathway "on the fly", > remember > it for future reference, and know when its obsolete. > > If you look at it the other way round, our Sponger has Meta Cartridges > that will lookup Sindice (via their APIs) for specific data about a > various entities. It won't seek a complete dump of Sindice etc.. The > same applies to a plethora of Web 2.0 style services. > > > We can do smart database queries on the Web by simply meshing > fundamental database principles with the inherent sophistication of > HTTP :-) > > Kingsley > > > > > > Juan Sequeda, Ph.D Student > > Dept. of Computer Sciences > > The University of Texas at Austin > > www.juansequeda.com <http://www.juansequeda.com> > > www.semanticwebaustin.org <http://www.semanticwebaustin.org> > > > > > > On Sat, Oct 17, 2009 at 4:24 AM, Martin Hepp (UniBW) > > <hepp@ebusiness-unibw.org <mailto:hepp@ebusiness-unibw.org>> wrote: > > > > Dear all: > > > > I just found out that the Virtuoso Sponger technology is even > more > > powerful than I thought. > > > > Briefly: "Spongers" create rich GoodRelations (and other RDF) > > meta-data > > for existing Web pages on-the-fly. Other than traditional > > screen-scraping approaches, Spongers reuse public APIs and other > > techniques, so the data is of unprecedented degree of structure. > > > > Now, this can be directly used in arbitrary queries... by simply > using > > the URI of the *existing* HTML Web page in the FROM clause of a > SPARQL > > query. > > > > Example: > > > > > > http://www.amazon.com/Semantic-Web-Real-World-Applications- > Industry/dp/0387485309 > > > > is a Web page in plain HTML offering a book. Amazon does not yet > > produce GoodRelations meta-data on their pages. > > > > If you go to > > > > http://uriburner.com/sparql > > > > and paste the URI in the "Default Graph URI " field and select > > "Retrieve > > remote RDF for all missing source graphs", then a query like > > > > "SELECT * WHERE {?s ?p ?o} LIMIT 50" > > > > returns a fully-fledged GoodRelations description for that page - > > as if > > Amazon was already supporting GoodRelations for each of its > 4 > > million > > items! > > > > There are spongers for BestBuy, eBay, Zillow, and many other > types of > > resources. > > > > Wow! > > > > Congrats to Kingsley and his team! > > > > Best wishes > > > > Martin Hepp > > > > -- > > -------------------------------------------------------------- > > martin hepp > > e-business & web science research group > > universitaet der bundeswehr muenchen > > > > e-mail: hepp@ebusiness-unibw.org <mailto:hepp@ebusiness- > unibw.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 > > twitter: mfhepp > > > > Check out GoodRelations for E-Commerce on the Web of Linked Data! > > ================================================================= > > > > Webcast: > > http://www.heppnetz.de/projects/goodrelations/webcast/ > > > > Recipe for Yahoo SearchMonkey: > > http://www.ebusiness- > unibw.org/wiki/GoodRelations_and_Yahoo_SearchMonkey > > > > Talk at the Semantic Technology Conference 2009: > > "Semantic Web-based E-Commerce: The GoodRelations Ontology" > > http://www.slideshare.net/mhepp/semantic-webbased-ecommerce-the- > goodrelations-ontology-1535287 > > > > Overview article on Semantic Universe: > > http://www.semanticuniverse.com/articles-semantic-web-based-e- > commerce-webmasters-get-ready.html > > > > Project page: > > http://purl.org/goodrelations/ > > > > Resources for developers: > > http://www.ebusiness-unibw.org/wiki/GoodRelations > > > > Tutorial materials: > > CEC'09 2009 Tutorial: The Web of Data for E-Commerce: A Hands-on > > Introduction to the GoodRelations Ontology, RDFa, and Yahoo! > > SearchMonkey > > http://www.ebusiness-unibw.org/wiki/Web_of_Data_for_E- > Commerce_Tutorial_IEEE_CEC%2709 > > > > > > > > > > > -- > > > Regards, > > Kingsley Idehen Weblog: http://www.openlinksw.com/blog/~kidehen > President & CEO > OpenLink Software Web: http://www.openlinksw.com > > >
Received on Saturday, 17 October 2009 16:40:05 UTC