Installation instructions for the timeViz Protege Plugin
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1. Install Protege 3.1.1 and the t-Protege extension (http://t-protege.uop.gr)
   or the wt-Protege extension (http://wt-protege.uop.gr)
2. Download the software (timeViz.zip) and save it into the "plugins"
   folder, under the Protege instalation directory
3. Unzip the file. The unzip process will create a subdirectory TimeViz
4. Obtain the JGraphLayout software package from http://www.jgraph.com
   (you may ask for a 30-day trial version through
   http://www.jgraph.com/contact.html?subject=layouteval). Place the 
   files jgraph.jar and jgraphlayout.jar into the timeViz subdirectory.

The plugin will now be available for selection under the "Project/Configure"
Protege menu.