- From: Kingsley Idehen <kidehen@openlinksw.com>
- Date: Thu, 25 Jun 2009 14:31:02 -0400
- To: Juan Sequeda <juanfederico@gmail.com>
- CC: Pat Hayes <phayes@ihmc.us>, martin.hepp@ebusiness-unibw.org, Danny Ayers <danny.ayers@gmail.com>, bill.roberts@planet.nl, public-lod@w3.org, semantic-web at W3C <semantic-web@w3c.org>
Juan Sequeda wrote: > Just confirming. I really want to start getting things done! So get going :-) > [SNIP] > > I agree. I think I had this discussion with Peter Mika and Tom Heath > before. Don't take me literally but the conclusion was that RDFa is > Linked Data once it shows up in the best practices and people know how > to do it. > > but oh my... it's already here: > > http://ld2sd.deri.org/lod-ng-tutorial/ Yep, so you found the nugget :-) Kingsley > > Thanks Michael and Richard! > > > > Kingsley > > > We are planning to deploy soon the linked data version of > Turn2Live.com. And we are in the discussion of doing the > content negotiation (a la BBC). But if we can KISS, then all > we should do is RDFa, right? > > Juan Sequeda, Ph.D Student > Dept. of Computer Sciences > The University of Texas at Austin > www.juansequeda.com <http://www.juansequeda.com> > <http://www.juansequeda.com> > www.semanticwebaustin.org <http://www.semanticwebaustin.org> > <http://www.semanticwebaustin.org> > > > > On Thu, Jun 25, 2009 at 7:29 PM, Pat Hayes <phayes@ihmc.us > <mailto:phayes@ihmc.us> <mailto:phayes@ihmc.us > <mailto:phayes@ihmc.us>>> wrote: > > > On Jun 25, 2009, at 11:44 AM, Martin Hepp (UniBW) wrote: > > Hi all: > > After about two months of helping people generate RDF/XML > metadata for their businesses using the GoodRelations > annotator [1], > I have quite some evidence that the current best > practices of > using .htaccess are a MAJOR bottleneck for the adoption of > Semantic Web technology. > > > I agree, and raised this issue with the W3C TAG some time > ago. It > was apparently not taken seriously. The general consensus > seemed > to be that any normal adult should be competent to > manipulate an > Apache server. My own company, however, refuses to allow its > employees to have access to .htaccess files, and I am therefore > quite unable to conform to the current best practice from > my own > work situation. I believe that this situation is not uncommon. > > Pat Hayes > > > Just some data: > - We have several hundred entries in the annotator log > - most > people spend 10 or more minutes to create a reasonable > description of themselves. > - Even though they all operate some sort of Web sites, less > than 30 % of them manage to upload/publish a single > *.rdf file > in their root directory. > - Of those 30%, only a fraction manage to set up content > negotiation properly, even though we provide a step-by-step > recipe. > > The effects are > - URIs that are not dereferencable, > - incorrect media types and > and other problems. > > When investigating the causes and trying to help people, we > encountered a variety of configurations and causes that > we did > not expect. It turned out that helping people just managing > this tiny step of publishing Semantic Web data would turn > into a full-time job for 1 - 2 administrators. > > Typical causes of problems are > - Lack of privileges for .htaccess (many cheap hosting > packages give limited or no access to .htaccess) > - Users without Unix background had trouble name a file so > that it begins with a dot > - Microsoft IIS require completely different recipes > - Many users have access just at a CMS level > > Bottomline: > - For researchers in the field, it is a doable task to > set up > an Apache server so that it serves RDF content according to > current best practices. > - For most people out there in reality, this is regularly a > prohibitively difficult task, both because of a lack of > skills > and a variety in the technical environments that turns > into an > engineering challenge what is easy on the textbook-level. > > As a consequence, we will modify our tool so that it > generates > "dummy" RDFa code with span/div that *just* represents the > meta-data without interfering with the presentation layer. > That can then be inserted as code snippets via > copy-and-paste > to any XHTML document. > > Any opinions? > > Best > Martin > > [1] > http://www.ebusiness-unibw.org/tools/goodrelations-annotator/ > > Danny Ayers wrote: > > Thank you for the excellent questions, Bill. > > Right now IMHO the best bet is probably just to pick > whichever format > you are most comfortable with (yup "it depends") > and use > that as the > single source, transforming perhaps with scripts to > generate the > alternate representations for conneg. > > As far as I'm aware we don't yet have an easy > templating > engine for > RDFa, so I suspect having that as the source is > probably a > good choice > for typical Web applications. > > As mentioned already GRDDL is available for > transforming > on the fly, > though I'm not sure of the level of client engine > support > at present. > Ditto providing a SPARQL endpoint is another way of > maximising the > surface area of the data. > > But the key step has clearly been taken, that > decision to > publish data > directly without needing the human element to > interpret it. > > I claim *win* for the Semantic Web, even if it'll > still be > a few years > before we see applications exploiting it in a way that > provides real > benefit for the end user. > > my 2 cents. > > Cheers, > Danny. > > > > > -- > -------------------------------------------------------------- > martin hepp > e-business & web science research group > universitaet der bundeswehr muenchen > > e-mail: mhepp@computer.org <mailto:mhepp@computer.org> > <mailto:mhepp@computer.org <mailto: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 twitter: mfhepp > > Check out the GoodRelations vocabulary for E-Commerce > on the > Web of Data! > > ======================================================================== > > Webcast: > http://www.heppnetz.de/projects/goodrelations/webcast/ > > Talk at the Semantic Technology Conference 2009: "Semantic > Web-based E-Commerce: The GoodRelations Ontology" > http://tinyurl.com/semtech-hepp > > Tool for registering your business: > > http://www.ebusiness-unibw.org/tools/goodrelations-annotator/ > > Overview article on Semantic Universe: > http://tinyurl.com/goodrelations-universe > > Project page and resources for developers: > http://purl.org/goodrelations/ > > Tutorial materials: > 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.ebusiness-unibw.org/wiki/GoodRelations_Tutorial_ESWC2009 > > > > > <martin_hepp.vcf> > > > ------------------------------------------------------------ > IHMC (850)434 8903 or > (650)494 > 3973 > 40 South Alcaniz St. (850)202 4416 office > Pensacola (850)202 4440 fax > FL 32502 (850)291 0667 mobile > phayesAT-SIGNihmc.us http://www.ihmc.us/users/phayes > > > > > > > > > > -- > > > Regards, > > Kingsley Idehen Weblog: > http://www.openlinksw.com/blog/~kidehen > <http://www.openlinksw.com/blog/%7Ekidehen> > 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 Thursday, 25 June 2009 18:31:42 UTC