/usr/lib/libnepomukdatamodel.so.0 is in libnepomukdatamodel0 1:0.5-0ubuntu2.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/libnepomukdatamodel.so.1.0
/usr/lib/libnepomukdatamodel.so.1.0