Infrastructure¶

Tools¶

The following RDF stores have been installed for testing:

AllegroGraph: See http://www.franz.com/agraph/allegrograph/
Parliament: See http://parliament.semwebcentral.org/
uSeekM: See https://dev.opensahara.com/projects/useekm
Virtuoso: See http://virtuoso.openlinksw.com/dataspace/doc/dav/wiki/Main/VOSRDF
Strabon: See http://www.strabon.di.uoa.gr/
OWLIM-SE: See http://www.ontotext.com/owlim

Setup Instructions¶

In this section we provide instructions on how-to setup these specific RDF database engines.

1. AllegroGraph instr.
2. Parliament instr.
3. uSeekM instr.
4. Virtuoso instr.
5. Strabon instr.
6. Owlim-se instr.

Prebuilt VM images¶

If you experience problems trying to setup one of these RDF engines, you can download and try the prebuilt VM disk images from Athena's FTP directory at:

ftp://guest@geoknow-server.imis.athena-innovation.gr/

Use guest:be-my-guest when prompted for your credentials and login to the FTP account.

These images are normal XEN domU disk images, that can be used to create a functional domU guest. Of course, you should also provide:

• your own guest configuration file at /etc/xen/<the-vm>.cfg (or wherever you have chosen to configure your domU guests)
• a swap image file

Use root:root as the root password for your newly created machine (and of course, change it just after your first login)

After creating the machine, you should login with the serial console (eg. xm console <the-vm>) and:

• configure your network interfaces to adapt to your local network
• configure your hostname and your /etc/hosts file