Author Archives: Shai

SPARUL Update Queries Via SPARQLWrapper And A Virtuoso Server

Posted on May 19, 2013

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

Posted on June 22, 2012

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 →

Posted in "software enginerring", foss, ocr, open source, OSX, workaround | Tagged , , , , | 1 Comment

Mount box.com Storage As a Webdav On OSX 5.8

Posted on April 14, 2012

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

Posted on March 7, 2012

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

Posted on March 6, 2012

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 →

Posted in cli, Command Line, nepomuk, open source, Uncategorized | Tagged , , , , , , , | 1 Comment

Terminate nepomukstrigiservice but keep running Nepomuk on OSX

Posted on September 9, 2011

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 →

Posted in "software enginerring", cli, Command Line, foss, KDE, nepomuk, open source, OSX, productivity tools, Technology, workaround | Tagged , , , , , , , , , | Leave a comment

Compiling SVN Tesseract on OSX

Posted on May 17, 2011

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 →

Posted in foss, ocr, OSX | Tagged , , | 12 Comments