How can you help? You can help by tagging and classifying Web services
in a similar way like you or other people tag photos, pages etc. Just
ask for your ID to participate in this experiment here
http://mars.ing.unimo.it/wscolab/new.php
I will send you all the necessary details.
How much time does it take? It's completely up to you. You don't have
to do it at once, you may come back to the portal as many times as you
want.
If you have any questions, please contact me by e-mail
(maciej.g...@unimore.it).
Thank you for your effort in advance,
Maciej