/usr/share/dbus-1/services/org.freedesktop.Tracker1.Miner.Applications.service is in tracker-miner-fs 0.16.2-1ubuntu4.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 | [D-BUS Service]
Name=org.freedesktop.Tracker1.Miner.Applications
Exec=/usr/lib/tracker/tracker-miner-fs
|