I don´t have an answear at user level, but i can search this using the code.
It looks like a cron job. In this case, and according to this link :
http://www.magentocommerce.com/wiki/1_-_installation_and_configuration/how_to_setup_a_cron_job You can search "crontab" on your code and see what tasks you already have a cron.