(dr. ir.) Jeroen Hoppenbrouwers is a Dutch research engineer based in Miami, FL. He has worked on simulated aircraft electronics (avionics) for 15 years and converted to a professional career in avionics in 2011. (read more about Jeroen).

Hoppie is Back

After almost three years of (very) little activity on this web site, I dusted it off and declared it operational again.

Our move to Miami, Florida obviously had much to do with this. And I converted to a professional life as a full-time avionics engineer. Combine these events and you may understand why I had some other, more pressing matters to attend to. However, I feel stabilized now and am comfortable sharing my hobbies and some professional bits with the world again. Welcome back!


Worldflight 2010

Typical that every year around this time, I end up writing a new story for my web site. Why don't I do this in between Worldflights?

The main reason is that in my professional life, most events that I could or would want to write about are sensitive in nature. Winning a contract with a major customer, completing an innovative project, finding technical solutions to challenging problems are all very much worth a posting. At the same time, they are the foundation of business success and need to be carefully 'managed'.

World Flight 2009

Every year early November, World Flight brings together a handful of full-scale flight deck simulators and a few hundred people to raise money for various world-wide charities.

You can follow the event on my photo diary/blog. And please consider a donation to the Air Ambulance, our charity for the last years. Just click on the banner on the Blog page.

This year I join the UK World Flight team in Coventry, just as last years. We made a promo video which gives a nice impression of the amount of work needed to get just one plane around the globe -- let alone seven.

This year's route will bring us from Sydney via India, Russia, Eastern-Europe and Western-Europe to the mid-Atlantic archipelago of the Azores. Then Westwards to the United States, via the Bering Strait to Russia, down through the Far East and then back to Australia.

DS1820-based temperature sensors still effective for Linux

A few years ago I built a hub for a number of temperature sensors, based on the DS1820. Although computers with serial RS232 interfaces become extinct, most server machines still have these connectors, as they are useful for remote console management. The combination of a few DS1820s and the serial interface offers a very nice, cheap way to connect multiple temperature sensors to a monitor.

MACS earns its place in W3C SKOS world

W3C has published a press release, announcing a new standard that builds a bridge between the world of knowledge organization systems — including thesauri, classifications, subject headings, taxonomies, and folksonomies — and the linked data community, bringing benefits to both. The MACS Project is listed as one of the few existing projects that have successfully provided results in the efforts to use semantic technologies to accomplish real-world goals.

The professional side of life

Talking about my professional life on this web site does not happen often, because I work on projects for customers that usually are not public. Two projects that I can talk about are MACS and TAS3.

MACS has been discussed a while ago, and has seen recent developments towards integration in The European Library. It is one of the few projects where explicit manual work, supported by IT, provides a large amount of crosslinks between existing, independent vocabularies. Although it is not exactly ontology alignment or another semantic web buzzword, it does attract lots of attention. The main reason is that we do have the data instead of writing what we could do if we would have the data.

TAS3 is, at least for my personal web site, a new kid on the block. And it is quite a handful of a teenager.

TAS3 stands for Trusted Architecture for Securely Shared Services. It is a European Commission-sponsored integrated research and development project of about EUR 15 million total expenditure. TAS3 aims to provide a reference architecture that allows people to control what is happening with their personal information, such as healthcare records or employability information. Sensitive stuff, that usually is locked away in heavily protected systems. TAS3, on the contrary, wants to open up these secure vaults and allow your sensitive but valuable personal information to travel to the places where you want it to go. Of course, it needs to be safeguarded against abuse. So TAS3 handcuffs your valuable data to a special agent that travels with it, and watches whatever happens to your data as a dedicated body guard. (more)

More about The Subjectory

This piece of text has been presented at ELAG 2008 in Wageningen, back in May. I found it interesting enough to post again on my own web site. If you like you can also watch my actual ELAG presentation video.

Subject headings as a closed, professionally managed indexing vocabulary are increasingly under fire. Although their efficiency for searching already indexed documents is undisputed, there always have been problems with subject headings. These have caused many if not most library end users to bypass the subject headings catalog when searching for documents, relying on full text search and other ‘least effort’ methods. But despite their decreasing popularity with the user crowd, subject headings are still widely used – not in the least due to an indexing legacy of decades that simply cannot, and should not, be thrown away.

Social tagging and other, unmanaged, open, free-as-in-freedom systems are gaining momentum. This is largely due to several major, interlinked changes in the way people consume information resources. The advancements in network technology have brought ‘data at the people’s fingertips,’ which has spawned the hyperlink, the Web, Google, user-changeable databases, social tagging, and many more fundamentally networked technologies commonly called ‘Web 2.0.’

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