/usr/share/kde4/services/akonadi/contact/ is in libakonadi-contact4 4:4.14.10-1ubuntu2.
This file is owned by root:root, with mode 0o755.
..
/usr/share/kde4/services/akonadi/contact/aimprotocol.desktop
/usr/share/kde4/services/akonadi/contact/gaduprotocol.desktop
/usr/share/kde4/services/akonadi/contact/googletalkprotocol.desktop
/usr/share/kde4/services/akonadi/contact/groupwiseprotocol.desktop
/usr/share/kde4/services/akonadi/contact/icqprotocol.desktop
/usr/share/kde4/services/akonadi/contact/ircprotocol.desktop
/usr/share/kde4/services/akonadi/contact/jabberprotocol.desktop
/usr/share/kde4/services/akonadi/contact/meanwhileprotocol.desktop
/usr/share/kde4/services/akonadi/contact/msnprotocol.desktop
/usr/share/kde4/services/akonadi/contact/skypeprotocol.desktop
/usr/share/kde4/services/akonadi/contact/smsprotocol.desktop
/usr/share/kde4/services/akonadi/contact/yahooprotocol.desktop