being reviewed

Here at the my life as a scientist begins.

A new experience for me is being reviewed. I posted some papers to the IOA 2005,
Reviewing means that other scientists read the work I am going to present at the conference and say if the work is ok or not.

Its funny to have people that are experts in my topic to read my papers. Expecially when they are forced to read my paper. Hehe, I like conferences.

I will eat cookies while reading the review results….

fit it

eh schon alt, aber immer noch gut.
das fit-it programm in österreich zur unterstütztung von Semantic Web projekten.

freut mich dass es sowas gibt!

for the english speakers:
This is the page of the federal support for Semantic Web projects in austria. Cool thing to have, a state driven effort to do semantic web stuff.

acutallly, semantic web is only a sub-interst here, but there are a few million euros for it.

Semantic Desktop integration

to everybody:

We are modeling our new, better version of gnowsis integration.

introduction: an adpater is a thing that converts existing metadata to RDF. see adapter javadoc

The questions are

– how to access adapters
– how does a adapter publish its metadata. Metadata of adapters are: What data do I contain?
– how to implement adapters (we have much experience from adapting outlook and mp3 and other stuff like imap)
– what messages should be passed back and forth?

our answers ´would be:

we call them adapters.
adapters are accessed through xml/rpc, soap, or pure http.
adapters publish their metadata as RDF model, rdf/xml
adapters can be implemented in any language, as long as they speak some http-speak.
messages would be RDQL and ChattyBoundedDescriptions

please send feedback to me:


great zoot: a postcard that shows early photoshopping culture, made using analog tools.

early photoshopping. Scanned from a postcard: Cards Unlimited, PO 3218 Albuquerque, New Mexico 87110. ID ICS-104160C-2.
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Looks like early 1970's

I stumbled across jackalopes during the last weeks, on some newsfeed or whatever, don’t remember. And then Ingrid and I found this postcard on a flea-market, and I had to buy it.

On the back it says:

The Faboulous JACKALOPE of The Southwest.
Jackalope are the rarest animal in North America. A cross between a now extinct small deer and a species of rabbit, they are extremely shy and wild. None have ever been captured alive and this is a rare photo taken at their feeding grounds in the high country.

SKOS and seperating concept from instances

I had this discussion already a year ago with Barbara Geyer from the FH Eisenstadt. Experienced in Knowledge Management Projects, she pointed me to “seperate concept from instances”

In my current gnowsis nightly build, this is not really done, but I have strong feelings towards it 🙂

The background: When I write a generic Semantic Web app, I have to make a User Interface also. The question is now, how to render an RDF graph, that has by itself no structure at all. RDF graphs are just graphs, based on RDF itself you cannot even identify classes and instances. So you need more information to display the stuff, for example you can use:

  • RDF-S info to treat classes other than resources. And express subclass/subproperty relations
  • DublinCore to indentify prominent parts of a graph that you can display “in front”
  • DublinCore to identify partOf / relatedTo things.
  • SKOS to organize these things into concept schemes. Seperate Instances from Concepts

The thing with RDF is, that concepts are also instances, in the view of RDF resource instances. So you need to seperate the concepts somehow from the instances.

Example: how to render a FOAF file that contains facts about a Person, related Persons and facts about these related Persons?
Using above schemas, you can subclass some of the FOAF properties to express that things are only related and not part of the resource. (f.e. foaf:knows as subproperty of

You then could code your UI and your logic behind to show related stuff in a seperate window (f.e. sidebar window) and have “part of” stuff in the “main window”.

but more important, you can pass the knowledge behind on to the user. Its good to allow the user to “add new subparts” and to “add new relations”. So users have a guide what to put where.

more to follow when I have coded these ideas….

foaf grows

Michael Zeltner has pointed me again to the obvious.

Foaf grows.
“FoaFSpace has indexed 1550126 documents. You can search by name, nickname, instant messaging ID, or mailbox.”
“Welcome to PLINK, a new way to find friends, and friends of friends!
PLINK gets all its user data from ‘FOAF’ (Friend-of-a-Friend) files which anyone can add to their web site. “

what is see here is the growing of the real semantic web. not tiny semantic web, not light, the real thing. crazy. have to change the heading of my blog from “Building the Semantic Web was harder than I thought.” to
“watching as the semantic web grows”.