Author Archives: mcradle

SPARUL Update Queries Via SPARQLWrapper And A Virtuoso Server

If you ever had a burning desire to use SPARUL updates (aka SPARQL/1.1) on an Ubuntu machine via SPARQLWrapper you probably seen the following error message it turns out that it is resolved on 1.5.3, however at the time of … Continue reading

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Compiling zbar on OSX

If you’re trying to compile zbar the open source bar code reader on OS X with jpeg support and want to use the MacPorts jpeg lib, and getting this error you can use the following command line to get it … Continue reading

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Mount box.com Storage As a Webdav On OSX 5.8

Update April 21st: I Have managed to get box.com to mount and to write files, however I can only copy one file at a time. after each file the wdfs process crashes. at this point I’m not investigating further Don’t … Continue reading

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Dump, Merge And Import Graphs From a Virtuoso Database

I have figure out how to extract my RDF data from a nepomuk-soprano-virtuoso database. I must say that I have crafted my own tools to create the data on top of the soprano model, so I can control the graph … Continue reading

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Compacting Nepomuk’s Virtuoso database for fun and (little) profit

I wanted to backup my nepomuk generated RDF data sat in my virtuoso database, at first I thought I could just copy my virtuosobackend directory onto dropbox, sym link it back to /Users/mcradle/…/KDE/../nepomuk/../data/ and get it over with. this was … Continue reading

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Terminate nepomukstrigiservice but keep running Nepomuk on OSX

I have a sneaking suspicion that I’m the only guy on earth that is interested in this setup, but who knows? I’m running KDE 4.65 Max OSX 10.5.8 via MacPorts. It could seem like an odd choice running KDE on … Continue reading

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Compiling SVN Tesseract on OSX

Should ever the need to compile Tesseract from SVN¬†arise (version v3.01 at the time of the writing) Please note: In order to fetch the source issue: you have to install Leptonica beforehand (or via macports like me) if you want … Continue reading

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