I'm using KDE 4.0.98 on openSUSE 11.0.
Nepomuk related features, such as file rating, tagging and comments are unuseable. They can be set in dolphin, but never saved.
KDE 4.0.4 has the same problem.

However the same features of kdemod4 on archlinux works well.
Is it a openSUSE packaging error?