Comment 2 for bug 916903

Thanks for taking your time to report this bug and helping to make Kubuntu better.
I'll look into backporting strigi, but as for the other 2:

akonadi-server:
     1.7.0-0ubuntu1~oneiric1~ppa2 0
         -1 http://ppa.launchpad.net/kubuntu-ppa/backports/ubuntu/ oneiric/main amd64 Packages

-> already backported

soprano-daemon:
     2.7.4+dfsg.1-0ubuntu0.1 0
         -1 mirror://mirrors.ubuntu.com/mirrors.txt/ oneiric-updates/main amd64 Packages

-> published in the offical updates for oneiric.

So if you can't find these 2 something seems to be wrong with your archive setup.