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State of the Semantic Web (Part 1)

Well finally I got around to starting this write-up, and the first instalment has appeared in the excellent IEEE Internet Computing. I foolishly thought I’d be able to cover the main ground in one column, now it seems like I’ll need at least three. In Delivered Deliverables I look mostly at the output of the W3C. The provisional plan is to cover infrastructure & backend tools in part two (with comments of the notion of linked data), and move on to real-world applications in part three. Suggestions are very much welcome.

The Revolution Starts (near) Here

Most mashups are very one-off, self contained little things. They may be useful for vertical purposes, which is fine – I need this, now. But in general they don’t lend themselves to er, generalisation. Dan Brickley just spotted an instance which is vertical, but only because the end-user (I can use that phrase, ya?) chose to do it that way: Data Scraping Wikipedia with Google Spreadsheets

I didn’t really understand from the blog post, fortunately Dan summarised he was quoting someone else, but who really cares on that:

In which they use Google Spreadsheets to convert a Wikipedia table to
an RSS feed and thence to live population maps via Yahoo pipes with no
coding required.

Some smarts required is clear on this, but the ability to wire disparate services in an arbitrary fashion apparently is possible. Who’d have thunk.

This Week’s Semantic Web, Burningbird style

Sorry I’m a little tardy with this, anyhow last time here I asked for volunteers to give their own take on TWSW . Shelley Powers stepped up to the plate, and the content of her post is below. In this context Shelley’s best known for writing the first book on RDF, over five years ago.

Brian Manley also took the bait, and he’s started publishing The Week In Linked Data – TWILD (more like the style of TWSW but with better descriptions and a pronounceable acronym).

This post will likely push a lot of things below the bottom of the page, so I’d better link to Paul’s recent podcasts to keep him sweet.
Over to Shelley:

I decided to add a slight twist to my own version of This Week’s Semantic Web, focusing not only on the stories, but how I found them. After all, the real purpose of the semantic web technologies is to make information easier to find. How are we, in the semantic web community, doing in this regard?

To start, I subscribe to various feeds including Planet RDF, as a way to keep up with most of the semantic web news. This week, the stories from Planet RDF that caught my eye were the following:

  • Tom Heath wrote How Will We Interact with the Web of Data for IEEE. In his article, Tom proposes that the web homepage, as we know it today, is dead. In its place we’ll have connected pieces of data, pulled together via RDF records (tuples), which are then used to generate the human readable content. So one could have weblog, browser, feeds, friend feeds, and other online “islands of data”, Flickr and other photos, videos on YouTube, etc.—all annotated with metadata and brought together, mechanistically, because of the metadata annotation. It’s interesting, and we already have some of this with various widget-enabled devices, but I’m not sure that most people are “geek enough” to make this a truly viable option. Not yet.
  • Bob DuCharme wrote a follow-up piece to his Leaning more about SPARQL, related to forming SPARQL queries against DBPedia, the site dedicated to making Wikipedia information queriable. No, that’s not a word…but it should be. Bob’s example is important for two reasons. The first, and the most obvious, reason is that it, of course, demonstrates SPARQL against a published source—hopefully spurring on other efforts. More importantly, though, in my opinion, is that Bob is publishing his explorations, his learning experiences, not necessarily a finished, “Ta da!” work. We need more journals of discovery in the semantic web world.

I don’t only get my semantic web information from the Planet RDF feed. I find other entries on this topic, now and again, in other feeds. For instance, I wrote about two other items this week and I’ll repeat links to both because I feel they represent the semantic world “in the wild”.

  • A List Apart featured an article titled Understanding Progressive Enhancement, which discussed the concept of building one’s website from the inside out—focusing on the properly semantically annotated content, first, before tossing in the pretties. I think this article complements some of the discussion about minimal design that was such a popular topic a few months back. The article not only focuses our attention back on the content, and hence the real purpose for the web site, it also drives home that we need to start doing a better job, semantically speaking, with our use of page markup. Speaking of markup…
  • Tina Holmboe’s XHTML—myths and realities is both an important, and timely, look at XHTML, the importance of XHTML for the semantic world (RDFa), and the future of XHTML. It’s timely because it serves to remind us that we now have two divergent markup paths under the W3C leadership—paths that do not share a common model or focus, which seems to me to act counter to the ultimate goal of a truly semantic web.

In my quest for this week’s semantic web goodies, I also searched in Google on “Semantic Web” and then focused on News, not Web, in order to filter items down to recent events. With this approach, I found the following items to pass along:

  • Paul Miller at ZDNet writes Does the Semantic web matter? He believes it does, a view offered up simply and elegantly. What the semantic web isn’t, though, according to Paul, is a goose to be punched and pummeled by the elitist and the avaricious until forced to deliver up the golden egg. To wit:
  • Continuing landgrabs by startups that seek to attract, trap and exploit eyeballs stand unashamedly on the shoulders of Semantic Web promise whilst running counter to its basic tenets of linking and openness. On the other hand, companies ‘just’ doing perfectly reasonable – and valuable – things with the meanings of words, phrases and documents latch on to the Semantic Web’s buzz, whilst being all about Semantics and not at all about the Web.

    New entrants, hopefully building viable and useful businesses upon the Semantic Web’s ideas, are pilloried by stalwarts of the ‘community,’ because the reality of their business model does not permit a whole-hearted embracing of the entire Semantic Web stack from Day One. Intellectual purity clashes with pragmatism and reality on a daily basis. Well-meaning guidelines and best practices morph in the minds of too many to become laws, ‘truths’, and rods with which to beat outsiders. Visions of Orwellian pigs fill my brain, and I don’t like what I see as they rise up onto two feet and gaze disdainfully around.

  • Speaking of punching geese, oh look, Ask.com is back. It’s got mad semantic skillz. So I put Ask.com to the test, and asked it “How can I learn more about SPARQL”, and it responded with, “Did you mean, ‘How can I learn more about sparkle’?”. I paused a moment, and said sure, show me that one. Ummm, Swarovski crystal jewelry. Pretty sparkles. To be fair, before following this sparkly tangent, Ask.com did return the first of Bob Ducharme’s post, mentioned above. In fact, it returned exactly the same result list as Google and Yahoo, when I asked them the same question.
  • Though not exactly “this week”, ReadWriteWeb writes a mean semantic web post, now and again, and had one last week subtitled, “Show me the Money!”—and wasn’t that a great movie moment? I digress, though. The RWW post focuses on a new report by a Semantic web entrepreneur on semantic web companies making money, but just at the moment when I clicked through to read the report, I got distracted by the flock of migrating geese overhead. I must pursue the report at a later time. What I found interesting, though, was the ReadWriteWeb Semantic Web Log search and…ah geez, there goes another flock, circling overhead.

There were other sources I searched for information about the semantic web for this week, but the results were less than optimum. For instance, I searched on “semanticweb” in delicious, but the results show the items that were posted to delicious this week, not necessarily published this week. The problem is that while many services such as delicious have a way to tag items with terms like “semanticweb” the metadata annotation is limited, and doesn’t include information such as when was the posted item first published, nor allow you to search on the same. Most of the “semantics” are flat, simple, and two-dimensional, IE keyword-value pairs.

I next went in the opposite direction, looking for just published items, and then sought to filter on the semantic web. For instance, no other source is better for up-to-date discovery of minutiae than Twitter. However, as far as I can see, there is no way to search on specific topic in Twitter. You can look for people, but other subject material search is extremely limited. If you don’t know that Twitter user Kingsley Idehen exists, and posts frequently on semantic web related items, you may not discover a graph of linked data sources or an animation related to RDF as middleware.

I then turned to the Big Cheese, the Head Semantic Web honcho, Twine, and the twine related to the Semantic Web. Eureka! I finded the Semantic Web! Of course, on closer look, most of the items also could be found on Planet RDF. Still, meat that is both fresh, and relevant. I’ll just pick out a few for my version of This Week’s Semantic Web.

  • Seven OWL 2 Drafts Published at the W3C. OWL 2 is an extension of the OWL, which is the Web Ontology Language. No, don’t try to fit the acronym. OWL is not necessarily directly important to thee and me. OWL is important, though, for designing systems that would understand exactly what I mean when I ask, “How can I learn more about SPARQL”, and that will return the definitive sources meeting my question, without being dependent on either language processing or obscure page ranking algorithms.
  • Speaking of SPARQL, another item in the twine was SPARQL Update a submission to the W3C describing a way to use SPARQL to update graphs (semantically linked data stores). Interesting, considering that SPARQL means Simple Protocol and RDF Query Language. What works in one direction must work all directions, eh? Reminds me a little of HTML5 and JSON—the Swiss Army knives of technology.

And so ends my tenure for This Week’s Semantic Web, Burningbird style. What I discovered in the process of building my list was that we’re not close to the semantic web we seek. Without knowing about the people, such as Bob, Kingsley, or Danny, or the topic-focused resources such as Planet RDF or Twine, I would have had a much more difficult time finding out what is happening, this week, in the semantic web. However, among the results I did find are new technologies, new specifications, new efforts that assure us that though the semantic web doesn’t exist today, it surely will someday.

Surely. Someday.

flack of snow geese

This Week’s Semantic Web…not

Regular readers might have noticed I’ve been intermittent with this at best. I was doing it for a bit before I joined Talis, but then could get on with it as part of my paid work, which was cool. At some point, it was Ian or David (*cough* time for a fresh blog post) suggested I give an introductory blurb to give humans a chance to interpret the list of links. Very good idea.

But the humongous problem of compiling such a list is that there is simply too much material these days – the best I can do (before blanking out) is to offer a personal shard. If someone else wants to have a go at approximating comprehensiveness, I can get you started. It’s much harder work than one might imagine, get way too distracted. Each link is interesting, so off you go. Takes between 2 hours (and I’m doing a serious injustice) and 2 days.

So I’ve got another proposal. Same title, but each week get a different person to give 5-10 links to things they found significant in the week, with a paragraph or two of explanation as prefix.

Go on, volunteer!

btw, nice serendipity, I was looking for my first TWSW and there found a quote, the source of which has been bugging me for ages, that I used in a mail only about 2 hours ago (to John Musser):

Quote of the week:

In the Semantic Web, it is not the Semantic which is new, it is the Web which is new.

- Chris Welty, IBM (lifted from TimBL’s slides)

This Week’s Semantic Web

Special Edition : SIOC Update

I had a man cold when I should have been doing my duty, but with no apologies (fairly safely assuming John has a CC-with-attribution kind of policy) here’s a good proxy :

20080403a.png It’s time for another installment from the world of SIOC!

Previous SIOC-o-sphere articles:

#7 http://sioc-project.org/node/328
#6 http://sioc-project.org/node/310
#5 http://sioc-project.org/node/294
#4 http://sioc-project.org/node/272
#3 http://sioc-project.org/node/271

#2 http://sioc-project.org/node/138
#1 http://sioc-project.org/node/79

If you wish to contribute to the next article, join the SIOC Twine and use the tag “siocosphere9” when you add items.

This Week’s Semantic Web

Selected links related to Semantic Web technologies for the week ending 2008-09-08, all weeks. Also available in RDF as linked data or via GRDDL.

A day later than planned, and somewhat shorter than usual (blame Chrome and Ubiquity!), but hopefully there’ll be something to catch your eye.

In the Media

Docs

Software News

Events etc.

Miscellany

~

Sources include Planet RDF, various other blogs, Semantic Web Interest Group IRC Chatlogs & Scratchpad, ESW Wiki, SemWebCentral, Sweet Tools, W3C Semantic Web Activity, mailing lists, personal emails etc etc. If you see anything suitable this coming week, please mail me or use the del.icio.us tag “TWSW” – thanks!

This Week’s Semantic Web

Selected links related to Semantic Web technologies for the week ending 2008-09-01, all weeks. Also available in RDF as linked data or via GRDDL.

Summer Special!

(or Winter Special! down under)

FOAFlets of the Carribean

FOAFlets of the Caribbean

No blurb, just links.

In the Media

Docs

Software News

Vocabs/Ontologies

Events etc.

Miscellany

Quote of the Week

…fighting the web is like holding back the ocean; it will route around you or it will wear you down, but will never go away, and it will never tire or give up.

- DeWitt Clinton, On Fighting the Web Itself

Summer Bonus Quote of the Week

“Language-independent” just means they invented a new language.

- Kevin Reid

~

Sources include Planet RDF, various other blogs, Semantic Web Interest Group IRC Chatlogs & Scratchpad, ESW Wiki, SemWebCentral, Sweet Tools, W3C Semantic Web Activity, mailing lists, personal emails etc etc. If you see anything suitable this coming week, please mail meor use the del.icio.us tag “TWSW” – thanks!

A Chat with Michael Hausenblas

Michael Hausenblas (mhausenblas on irc, has blog) works at Joanneum Research in the field of media semantics. But as you can see at a glance his homepage, his interest in, and contributions to the Semantic Web/Web of Data cover a considerably broader scope – especially around linked data (he’s one of the team behind riese, serving statistical data about 500 million Europeans).
Photo of Michael

Michael’s also an organizer of the upcoming Web of Data Practitioners Days meet-up (Vienna, Austria – Oct 22-23). As one of the aims of the event is to introduce newcomers – webmasters, developers, business folks – to the ideas and applications of the Web of Data, I quizzed Michael mostly from the newcomer point of view.



Apologies for the recording quality, the Skype recording software I normally use didn’t work, so I had to use a semi-acoustic setup instead…

PS. The podcast audio link itself (as marked up by WordPress) appears to get filtered out by certain aggregators – it’s here: MichaelHausenblas.mp3. Incidentally I also I got a request for a transcript – on listening back I can understand why one might assume such a thing would pre-exist, but there wasn’t actually any preparation (although Michael and I aren’t exactly strangers). I was on sleep-deprived autopilot, firing whatever tricky questions came to mind at Michael, and he volleyed them with remarkable ease.

The Incomplete Web

In a short blog post – The Incomplete Web – over on O’Reilly’s net, Michael Hausenblas has just provided a wonderful little analogy (for programmers at least) regarding the motivation behind the “Web of Data (The-Thing-Formerly-Known-As-The-Semantic-Web)”. A must-read for anyone involved in building Web apps.

To date I’ve resisted the temptation to post here the personal-opinion and cat photo kind of stuff I’d normally post to my own blog (which I’m currently reorganizing). But I reckon Michael’s post justifies the exception.

This Week’s Semantic Web

Selected links related to Semantic Web technologies for the week ending 2008-08-05, all weeks. Also available in RDF as linked data or via GRDDL.

Dell trying to trademark cloud computing. The cloud does seem feature of the week, maybe there’s climate change in the virtual world too (sorry!).

One question for regular readers – do you think there should be a separate “Business” section here for items like “X buys Y for $Z”, should they continue to be mixed in with everything else, or left out entirely (and leave it to on Paul’s ZDNet coverage)?

In the Media

Docs

Software News

Events etc.

Miscellany

Quote of the Week

Unlike anything that has come before it, the combination of software and the World Wide Web has the potential to connect people and empower them in more ways than humanity has never seen. And it is possible to become immensely rich while moving humanity forward with the software that you create. [sic]

- Dare Obasanjo

~

Sources include Planet RDF, various other blogs, Semantic Web Interest Group IRC Chatlogs & Scratchpad, ESW Wiki, SemWebCentral, Sweet Tools, W3C Semantic Web Activity, mailing lists, personal emails etc etc. If you see anything suitable this coming week, please mail meor use the del.icio.us tag “TWSW” – thanks!