Dr. Andreas J. Guelzow

I am Registrar and Associate Vice-President, Enrolment and Planning as well as Professor of Mathematical and Computing Sciences at Concordia University of Edmonton. I have multiple interests outside of my profession:

I used to compete with my Pyrenenan Shepherds Tison & Nisa in a variety of dog sports.
I am a competitive dancer in International Standard Ballroom.
I am one of the main developers of the Open Source spreadsheet application Gnumeric.
I am a long-time active member of the OpenDocument Technical Committee of OASIS.

Random Thoughts

2012-08-142012-08-14

The Lifecycle of LibreOffice Bugs

As developer of Gnumeric, during the interoperability testing of new Gnumeric features I often encounter LibreOffice bugs. In the past I tried to report all such bugs to LibreOffice since I would appreciate similar service from the LibreOffice developers. Over time I have come to recognize that the typical lifecycle of a LibreOffice bug differs …

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2012-05-162012-05-16

Designed Incompatibility

In certain circles, Microsoft is usually blamed for "extend, embrace, extinguish" where the "embrace" stands for purposefully changing a specification to create incompatibilities. This post is not addressing Microsoft but another group that is usually more standards compliant: the Apache Foundation. In the release notes of the new Apache OpenOffice release, changes to the TIME …

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2012-05-152012-05-15

The Illusion of ODF Interoperability

We recently saw the first release of Apache OpenOffice, one of the branches of the OpenOffice.org fork. Since the tangled mess usually known as the Open Document Format (ODF) was initially based on the OpenOffice.org file format, one could reasonably expect that Apache OpenOffice and LibreOffice are both quite successful in implementing that file format. …

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