Larsblog - technology

Emnekart 2006 sold out

It's now official. The Emnekart 2006 conference (the Norwegian Topic Maps conference) passed 220 registered attendees today, which means that it's full. There is more room for people in the restaurant, and on the stairs in the lecture halls, but the venue says it's inadvisable to go above this number because of general comfort, air quality, etc ...

Read | 2006-03-23 17:46 | 0 comment(s)

Topic Maps seminar in western Norway

HØYKOM, a Norwegian research funding agency, arranged a seminar about Topic Maps in Leikanger, a village in western Norway. To get there from Oslo you have to fly turboprop for 40 minutes to Sogndal airport, then drive for another 40 minutes out along the fjord. The place itself has maybe 1000 inhabitants, but is the location for norge.no (Norway.no; central Norwegian governmental web portal), which is why the seminar was held here. ...

Read | 2006-03-09 21:55 | 3 comment(s)

tolog updates

The tolog query language has been around for a long time, but so far it only does querying, and not updates. As far as I know, no other query language for Topic Maps does updates, either. An update language is interesting for three reasons: ...

Read | 2006-02-21 20:49 | 0 comment(s)

Upcoming Topic Maps Events

This year there are two major Topic Maps events coming up where anyone with an interest in Topic Maps should be present. The first takes place in Oslo in late March and is the annual Norwegian Topic Maps conference, called Emnekart 2006. This is the fourth time it's being held, but for the first time it will be bilingual; that is, there will be an English track running through the entire conference, as well as side-tracks in Norwegian. ...

Read | 2006-02-15 23:22 | 0 comment(s)

The year 2005 in travelling

Norm Walsh had the excellent idea of publishing a map showing his travels (via Column Two), and I couldn't resist the temptation to do the same. Of course, I used what I've learned about the Google Maps API to create an interactive map instead.

...

Read | 2006-01-05 21:55 | 2 comment(s)

Implementing SPARQL with tolog

I realized quite a while ago (a year ago, maybe) that it's possible to implement SPARQL on top of tolog without too much effort. Ontopia has never done anything about this since we have not seen any interest in this feature, but recently I got some questions about this, so I figured it might be worth writing up the basic idea. ...

Read | 2005-12-15 23:03 | 1 comment(s)

TM/XML

The design of TM/XML, first heard of at TMRA'05, has now at long last been finalized, and the paper about it sent off to the publishers. I figured this was a good time to spread the word a little more, so here is a short introduction to TM/XML. ...

Read | 2005-12-03 16:35 | 3 comment(s)

Playing with the Google Maps API

I sat down to try the Google Maps API yesterday, and came away very impressed by both it and the new AJAX style of web applications. Here is an introduction to the API, together with some musings on how it could be used with Topic Maps. ...

Read | 2005-12-03 13:38 | 7 comment(s)

Extracting fragments with TM-Views

Last time I wrote about how I used OSL to extract a fragment from a topic map. Today I've been working on the TMRA'05 paper on TM/XML, which also describes TM-Views. TM-Views is a mechanism for extracting fragments from topic maps created by Dmitry Bogachev, and I thought applying it to the example in my previous blog entry would be a useful way for me to really get to grips with it. I'd also like to see how TM-Views compares with using OSL. ...

Read | 2005-11-30 23:49 | 0 comment(s)

Extracting a subset from a topic map

I've been thinking for a long time about how to easily extract meaningful subsets from a topic map, without having to do any custom programming. This is a quite general problem that recurs again and again in real use of Topic Maps. ...

Read | 2005-11-18 02:42 | 0 comment(s)

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