Mediamatic Developers blog
Onze core en front-end developers delen graag hun kennis. In deze blog publiceren we over ons eigen werk en interessante items die we in de wereld tegenkomen.
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IkTag research
ikPod prototype #1
iPod + IkTag = IkPod
16 februari 2010, posted by: Arjan Scherpenisse
Some quick imagery on our latest prototype. The pictures show the casing, made out of PU casted around the iPod and custom electronics. We decided on using a transparent cast as to show the bare bones of the system.
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Back side showing antenna and RFID circuit.
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Front side, showing the iPod embedded in the PU cast.
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Detail of the connectors (USB, power and audio out).
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Resource sharing using Publish/Subscribe
15 februari 2010
Explaining the principles of resource sharing between websites using the publish/subscribe paradigm.
Over the last year you might have heard, either through me, Ralph Meijer or through the grapevine, about the stuff we do at Mediamatic related to the resource sharing technologies we're developing. This resource sharing is a part of our ongoing efforts to create a federation of social networks using...
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Open-CI
Move that profile!
Debugging the AnyMeta Account migration system
11 februari 2010, posted by: Arjan Scherpenisse
Debugging is a hard job, and not the most fun there is. Especially when working on Open-CI, Mediamatic's system which let different websites interact with each other. This interaction of websites is very nice and works quite intuitive, however, because there are multiple sites involved, it can be a pain to debug.
Take the Migrate module. When enabled in your website, it allows you to physically move your account from the site you're currently at, to another site in the Open-CI network. Very nice functionality, but quite complex. After some bug reports from our users, we had to turn off the module a month ago because it contained a bug which in a few cases caused a failure: In the middle of the migration process, a message showed up: "Account creation failed", after which the migrati...
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conference report
2 days of Fosdem'10...
8 februari 2010, posted by: Arjan Scherpenisse
Fosdem, the Free and Open-Source Developer's European Meeting, is held every year in Brussels. It's a free event, attracting thousands of open-source developers from all around the world. In this article I'll talk about the stuff I've learned during these two days.
Saturday
Arrived at 10 am at Brussels central station, meeting Ralph in his hotel with some of the XMPP gang. Nice seeing the folks whose blogs I read in Real Life (tm). Went on the bus to the FOSDEM site. Very impressed by the crowds! Fosdem's bigger than I expected: their slogen: "over 5000 developers, 200 talks, 2 days, 0 euros" really pays off.
Helped setting up the XMPP booth on the info market, and while I was at it, got my C...
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Jewish Monument Changes
An exercise in semantic web relationships...
6 januari 2010, posted by: Ralph Meijer
Two exciting projects I've been recently working on at Mediamatic Lab are two highly connected sites around the Jewish Community in the Netherlands during World War Ⅱ. The first is one of the oldest sites we have made, the Digital Monument. This site contains verified information on all of the Dutch jews that ...
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Report of XMPP Summit #7 and OSCON
17 augustus 2009, posted by: Ralph Meijer
The XMPP Summit is a biannual event for XMPP developers to discuss protocols and implementations of XMPP / Jabber technologies. As Mediamatic uses XMPP for communication between anyMeta sites in the Open-CI network and myself as member of the XMPP Council, this is the ideal event to have face-to-face discussions on XMPP protocols and deployments.
As they alternate between Europe and the US, the 7th edition of the XMPP Summit was co-located with OSCON, this time in San Jose, California. I was happy to be able to attend it on again.
Chunked rosters
The first day was used to discuss improvements around the roster protocol. The current roster protocol only allows for getting the full roster in one stanza, and then get incremental updates during the client session. With large contact lists, getting it all in one stanza m...
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XMPP Summit #7 and OSCON 2009
Two great flavors...
19 juli 2009, posted by: PubSub agent
Another edition of the XMPP Summit and OSCON and what I am
going to do there.
I am attending XMPP Summit #7 and part of OSCON 2009, with which it is co-located due the kind folks at O'Reilly. Much like last year, only this time in San José, California. Unlike the European version of the summit last February, we hope to focus more on doing than talking, although there will be plenty of that, of course. Suggestions were made to do some interoperability testing, along with general hacking sbookmark:
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Gebruik van sociale netwerken door 50+ers
24 april 2009, posted by: Emine Tuzkapan
Een op Molblog verschenen interessant artikeltje over het gebruik van sociale netwerken door 50+ers:
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Open-CI: Notifications
26 februari 2009, posted by: Ino Paap
Open-CI is about federating social networks, enabling users to share information between sites and use one user account to create works or create connections. In anyMeta everything is represented by 'things' that areconnected by 'edges'. Things could be persons, articles, events, organisations, etc. Edges always have a predicate to specify the nature of the connection. Examples include: participant, author, knows and likes.
To log onto another site, some representation of the person i...
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Presentation
OpenID security considerations
Given at Hyves, on 6 February, 2009
9 februari 2009, posted by: Arjan Scherpenisse
The following link contains slides about security considerations for the OpenID protocol. I presented this at a workshop at Hyves, in the context that they want to become an OpenID provider and asked Mediamatic for advice regarding this subject.
View presentation: OpenID security considerations
The source for most of the information in the presentation is the excellent article about openID security by Eugene and Vlad Tsyrklevich.
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