Adrian Walker wrote: > Hi Kingsley & All -- > > Good to see that the top layers of the cake are getting some > attention. After all that's where the icing is (:-) > > We have an approach to making the results from RDF and other queries > more friendly. It's online at the site below [1,2]. > > However, the more you think about this, the more you realize that user > friendly answer displays are necessary, but not sufficient for the > general population of users. > > A big advantage of RDF is that it should enable ordinary users to ask > things no-one has thought of asking before. Using their own words and > phrases. Handing them a SPARQL manual definitely falls short. > > We approach this by supporting the writing of rules in English into a > browser. Then users can run the rules, again in the browser. When > necessary, SQL is generated automatically from the rules. > > That's still not the whole story though. Reasoning over RDF gets > complicated, arguably much more so than over SQL databases. This > raises a question of trust. How do I know what the system did when it > suggested that I invest everything in Lehman Brothers? > > The system [1] produces English explanations, based on underlying > proof trees, showing the what inferences and data were used in > answering a question. You can see a simple of example of this by > running [2] in a browser, and asking for explanations. > > Apologies to folks who have seen this before, and thanks for comments. > > -- Adrian > > [1] Internet Business Logic > A Wiki and SOA Endpoint for Executable /Open /Vocabulary English over > SQL and RDF > Online at www.reengineeringllc.com > <http://www.reengineeringllc.com> Shared use is /free/ > > [2] > www.reengineeringllc.com/demo_agents/RDFQueryLangComparison1.agent > <http://www.reengineeringllc.com/demo_agents/RDFQueryLangComparison1.agent>
Adrian, Cool! Also note the LOD Cloud Cache instance at: http://lod.openlinksw.com, also note it does also Web Services exposed at the endpoint: http://lod.openlinksw.com/fct. Naturally, the same applies to DBpedia via: http://dbpedia.org/fct. The more services, views etc.. around DBpedia and the rest of the Linked Data Cloud, the better :-) Context Fluidity, Data Heterogeneity, and Powerful Lookup capabilities are age-old problem areas that the Linked Data meme addresses very well. Kingsley > > > > On Tue, Sep 15, 2009 at 7:34 AM, Kingsley Idehen > <[email protected] <mailto:[email protected]>> wrote: > > Matthias Samwald wrote: > > A central idea of linked data is, in my understanding, that > every resource has not only a HTTP - resolvable RDF > description of itself, but also a human-friendly rendering > that can be viewed in a web browser. With the increasing > popularity of RDFa, the URIs of these resources are not only > hidden away in triplestores, but become increasingly exposed > on web pages. People want to click on them, and, hopefully, > not all of these people come from the core community of RDF > enthusiasts. > > This means that the HTML rendering of linked data resources > might need to look a bit sexier than it does today. I dare to > say that the Pubby-esque rendering of DBpedia pages such as > http://dbpedia.org/page/Primary_motor_cortex > is helpful to get a quick overview of the RDF triples about > this resource, but non-RDF-enthusiasts would not find it very > inviting. > > Pubby isn't how DBpedia is published today. It is done via > Virtuoso (been so for quite a long time now), which has in-built > Linked Data Publishing/Deployment functionality [1]. > > > This could be improved by changes in the layout, and possibly > a manually curated ordering of properties. For example, > > http://d.opencalais.com/er/company/ralg-tr1r/f8a13a13-8dbc-3d7e-82b6-1d7968476cae.html > > definitely looks more inviting than the typical DBpedia page > (albeit still a bit sterile). > > You can tweak the HTML template and just send it to us. BTW, the > URIBurner [2] pages which also use exactly the same Linked Data > Deployment functionality behind DBpedia also have a slightly > different look and feel. That can be applied to DBpedia in nano > seconds. > > > In the case of DBpedia, it might be better to expose the > excellent human-readable Wikipedia page for each resource, > plus a prominently positioned 'show raw data' tab at the top. > For other linked data resources that are not derived from > existing human-friendly web pages, a few stylistic changes > (ala OpenCalais) already might improve the situation a lot. > > Note that this comment is not intended to be a criticism of > DBpedia, but of all Linked Data resources that expose HTML > descriptions of resources. DBpedia is just the most popular > example. > > Not seen as criticism, just a wake up call. On our part (OpenLink) > we've always sought to draw a small line between OpenLink branding > and the more community oriented DBpedia project. Thus, our > preference has been to wait for community preferences, and then > within that context apply updates to the project, especially re. > aesthetics. > > Links: > > 1. > > http://virtuoso.openlinksw.com/Whitepapers/html/vdld_html/VirtDeployingLinkedDataGuide.html > -- Virtuoso Linked Data Deployment Guide > 2. http://www.uriburner.com/wiki/URIBurner/ > > Kingsley > > > Cheers, > Matthias Samwald > > DERI Galway, Ireland > http://deri.ie/ > > Konrad Lorenz Institute for Evolution & Cognition Research, > Austria > http://kli.ac.at/ > > > > -------------------------------------------------- > From: "Danny Ayers" <[email protected] > <mailto:[email protected]>> > Sent: Tuesday, September 15, 2009 4:03 AM > To: <[email protected] <mailto:[email protected]>> > Subject: dbpedia not very visible, nor fun > > It seems I have a Wikipedia page in my name (ok, I only > did fact-check > edits, ok!?). So tonight I went looking for the > corresponding triples, > looking for my ultimate URI... > > Google "dbpedia" => front page, with news > > on the list on the left is "Online Access" > > what do you get? > > [[ > The DBpedia data set can be accessed online via a SPARQL query > endpoint and as Linked Data. > > Contents > 1. Querying DBpedia > 1.1. Public SPARQL Endpoint > 1.2. Public Faceted Web Service Interface > 1.3. Example queries displayed with the Berlin SNORQL > query explorer > 1.4. Examples rendering DBpedia Data with Google Map > 1.5. Example displaying DBpedia Data with Exhibit > 1.6. Example displaying DBpedia Data with gFacet > 2. Linked Data > 2.1. Background > 2.2. The DBpedia Linked Data Interface > 2.3. Sample Resources > 2.4. Sample Views of 2 Sample DBpedia Resources > 3. Semantic Web Crawling Sitemap > ]] > > Yeah. Unless you're a triplehead none of these will mean a > thing. Even > then it's not obvious. > > Could someone please stick something more rewarding near > the top! I > don't know, maybe a Google-esque text entry form field for > a regex on > the SPARQL. Anything but blurb. > > Even being relatively familiar with the tech, I still > haven't a clue > how to take my little query (do I have a URI here?) forward. > > Presentation please. > > Cheers, > Danny. > > -- > http://danny.ayers.name > > > > > > > -- > > > 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 ------------------------------------------------------------------------------ Come build with us! 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