Larsblog

Lost and found

I thought my holiday photos were lost forever, when suddenly it occurred to me that there was a way to get them back. I was reading a local IT newspaper in the office kitchen, waiting for my tea water to boil, when I spotted an ad for Ibas. Ibas is a Norwegian company specializing in data recovery. I mostly associate them with really spectacular recovery operations after fires and shipwrecks, and so on. However, the ad said they also did this for private individuals who had lost their digital photos. ...

Read | 2006-11-17 21:08 | 4 comment(s)

Some basic Topic Maps terminology

There are some simple, common terminological mistakes people tend to make when they first encounter Topic Maps, and I thought it might be useful to write up a simple guide to help people. ...

Read | 2006-11-14 19:19 | 0 comment(s)

Backup solution

Following the laptop theft I decided to put together a backup solution for myself to avoid getting into trouble in the same way if something similar should happen again. ...

Read | 2006-11-12 13:28 | 2 comment(s)

How I rate beer

I've been rating beer (using RateBeer) for well over a year now, as a way to keep notes on what I've drunk, and how it tasted. I wanted to write up a reminder for myself of the interpretation of the RateBeer scale that I've developed over this time. And since other people might be interested I decided I might as well write this up on the blog. ...

Read | 2006-11-01 21:29 | 7 comment(s)

Russian and Ukrainian beer

Russia and the Ukraine may sound like terrible destinations for anyone looking for a decent pint of beer, and while both countries are for the most part deserts of pale lager, things are not nearly as bad as they may seem. There are some interesting beer styles, some brewpubs, and the quality of the industrial beer (especially in the Ukraine) is not at all bad. And prices are low, of course. ...

Read | 2006-10-28 15:55 | 26 comment(s)

Ontologies: validation or reasoning

Information about the structure of an ontology can be used for two different purposes: either for validation or for reasoning, and this is a distinction that it seems most people are not aware of yet. I'll try to clear up the confusion in this blog posting, as best I can. ...

Read | 2006-10-15 19:37 | 2 comment(s)

ISO meeting in Leipzig

Since nearly all the key people in the ISO committee were going to be in Leipzig anyway for TMRA 2006 it was decided to have an ISO meeting in conjunction with the conference. The meeting started the Friday after the conference, and continued for three days, finishing on Sunday. ...

Read | 2006-10-15 17:57 | 3 comment(s)

TMRA 2006 — day 2

Day two started right off with two parallel tracks, and I went to the track on "Portals and Information Retrieval", where the first speaker was Sam Oh. He has done a study where they built a Topic Maps-based portal to Korean folk music (known as Pansouri) with a quite detailed ontology of the domain. They then compared how easy it was for 20 test subjects to find information in the traditional portal and the new Topic Maps-based one. 10 subjects used the traditional one first, then the Topic Maps one afterwards, and the remaining 10 did it the other way around. They tested both objective measures (how many steps to find information on 6 assigned search tasks), and subjective measures (how did the test subjects feel about the portals). ...

Read | 2006-10-12 09:09 | 4 comment(s)

TMRA 2006 — day 1

Like last year, I will try to do a semi-live blog report from the TMRA 2006 conference on Topic Maps in Leipzig. This year the conference is in the Campus Villa Ida, which was finished just two weeks ago. TMRA is actually the first conference that is held in this shiny new conference center. (So far everything seems to be working smoothly. This is, after all, Germany.) ...

Read | 2006-10-11 09:20 | 2 comment(s)

A laptop disappears

Losing a laptop is a traumatic experience, and Monday evening it was my turn. I was staying in a hotel in Amsterdam, and after the day's meetings I sat on the bed to quickly scan my email and look up the nearest good beer bar. Going out, I left the laptop on the bed, still running. I hesitated for a split second, wondering whether this was safe, but decided I didn't want the extra weight in my backpack, and left. ...

Read | 2006-10-04 16:32 | 5 comment(s)

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