May 2007

Lissajous Figures

Lissajous Figures

Inspired by Michael’s lovely Bitjuice hack, I couldn’t resist recreating my 80s microcomputing “hello world” program: a table of Lissajous Figures. Like our attempt at visualising the W3C XML Schema Patterns for Databinding test report (very much work in progress!) this takes some time to load. Seems like big HTML tables are of the moment. Next stop - to add XOR to the drawLine and to think about a 80×25 character display so I can implement “Nightmare Park”.. so many ideas, so little time ..

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Isn’t that really me over there?

dbpedia

I really enjoyed the linked data session at WWW 2007:

  • Use URIs as names for things
  • Use HTTP URIs so that people can look up those names
  • When someone looks up a URI, provide useful information
  • Include links to other URIs so that they can discover more things

All Webby goodness! What’s not to like? But one issue has stuck in my head since asking the obvious question:

It seems that folks like Yahoo! and Twittervision offer different representations of the same resource using different URIs .xml, .json, .php, .yaml, etc. I’d say that’s arisen because users have little control over content-negotiation in their browser. Isn’t having the same resource identified by lots of different URIs an issue for the Semantic Web?

At the time Timbl offered the same answer as Danny, use OWL to say the two URIs are the same:

    <http://DBpedia.org/resource/Berlin>
        owl:sameAs
    <http://sws.geonames.org/2950159>

But isn’t it be better just to use the Content-Location HTTP header in the reference? I’m almost ready to contemplate embracing RDF, but does that really mean I have to grok someone else’s out-of-band metacrap just to process it?

I’m also baffled why more RDF folks aren’t embracing OpenID, seems like every world changing demo I see still uses usernames to identify users, not URIs. What’s that all about?

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Dancing with the Devil in the Details

Arun is a great guy and so I’d heartily recommend going to see his keynote demo and session “It Takes Two to Tango“. What a perfect name! It sure does! I have a vision of an audience watching uncomfortably as two vendors dance strangely and skillfully just to get it on. Watch out for the big orange guy when the music stops because you’ll know when you’ve been tango’d!

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09 F9 11 02 9D 74 E3 5B D8 41 56 C5 63 56 88 C0

Well, I could be wrong, but maybe they’ll now get it. File under mindless meme propagation.

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Silverfish and Appallingo

It’s funny how many people are trying to reinvent (own) the Web, with “rich clients” (rich vendors) and yet all of them miss the point by a mile. The Web is already great big repository of data. Burring that data inside propriety blobs of eye candy isn’t any kind of progress. Let’s continue to keep the style separate from the content, eh?

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