Hyperdata in Sao Paulo

In the past week I gave a couple of presentations of Hyperdata illustrating the concept with demos of the Tabulator and Beatnik, the Hyper Address Book I am just working on.

The first talk I gave at the University of Sao Paulo, which was called at the last minute by Professor Imre Simon, who had led the Yochai Benkler talk the week before. It was a nice turnout of over 20 people, and I spoke at a more theoretical level of the semantic web, how it related to Metcalf's law, as explained in more detailed in a recently published paper by Prof. James Hendler, and how an application like Beatnik could give a powerful social meaning to all of this. I also looked at some of the interesting problems related to trust and belief revision that come up in a simple application like Beatnik, which touched a chord with Renata Wassermann who has written extensively on that field of the Semantic Web.
Many thanks to Prof Simon, for allowing me to speak. For a view from the audience see Rafael Ferreira's blog (in English) and Professor Ewout's blog (in Portuguese).

Yesterday I gave a more Java oriented technical talk at GlobalCode, an evening learning center in Sao Paulo, with a J2EE project on dev.java.net. I touched on how one may be able to use OpenId and foaf to create a secure yet open social network.
About 25 people attended which must be a really good turnout for a period so close to Christmas, when everyone is looking forward to the surf board present from Santa Claus, getting into their swimming trunks and paddling off to catch the next big wave. Well the really big wave that everyone in the know will be preparing for is the hyperdata wave. And to catch it one needs to practice one's skills. And a good way to do this is to help out with a simple application like Beatnik.
Thanks to Vinicius and Yara Senger for organising this.

Update

The talk I gave is now available online with audio as "Building Secure, Open and Distributed Social Network Applications".

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