Lately, I have come across the problem of how businesses can exchange and expose information about themselves in a secure and trusted manner. Somebody mentioned the electronic business XML initiative as a possible technology for doing this. I decided to look around for some information on this:

• Brief IBM article that provides an overview of ebXML and explains some terms.
• This xml.com article relates ebXML to web services.
• Here is a definition of the service concept.

While browsing that last page in list above, I came across a page with a few interesting pattern links, and this image:

Funny, yes? Maybe one of the patterns should have been assigned "101" as "atomic number"? Anyways, I was led to a few pages on patterns:

• Page on GoF design patterns.
• A Design Pattern Dictionary
• Collection of disillusioned resign patterns

And finally a summary of Christopher Alexander's seminal book: A Pattern Language.

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Some links for the subversion system:

Subversion "cvs"

Subversion install on Apache

HOWTO on Eclipse

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I crashed the machine which hosts this web app - something to do with Nero and a RW disc. Not sure about the exact cause. For some reason the crash corrupted the Postgresql table that holds my blogs. Minor setback … especially since I have neglected to backup my database :(
I managed to salvage the blog data using DBManager: I could see the database records in DBManager's tabular overview, but was unable dump the data…weird. All I need to do now is paste the blog content back into the web app….

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