Thursday, 19 January 2017


A website developed
with php, multilanguage
(German, English, French)

A content management
system, multilanguage,
based on Joomla!

A content management,
system, multilanguage,
based on Joomla!

University of Twente,
The Netherlands
The World Class
Maintenance Community Site:
A Web 2.0 platform for the
collaboration of a world-wide
maintenance community,
multilanguage (NL, EN),
based on Joomla!
Web 2.0 platform
with an integrated
customer section

Copyright Notice

This site and its content are the copyright of ULTRA4 Advanced Information Systems, K.Tzerras - J. van Slooten Partnership. The ULTRA4 name and logo are the exclusive property of ULTRA4. They are protected under international law and unauthorized use is prohibited. They may not be copied or reproduced.

General Disclaimer

ULTRA4 has the exclusive right to alter, limit or discontinue the site or any material. ULTRA4 also has the exclusive right to deny any user access to this site or any part of the site without notice. ULTRA4 will accept no responsibility or liability for the material on this site. ULTRA4 does not guarantee the accuracy, completeness or timeliness of the information displayed. ULTRA4 will not take any responsibility for disruptions caused by technical problems resulting from the use of this site or any linked external site, or any problems arising from the use of information on this site.