A Realm in Callimachus is a folder hierarchy backed by an RDF store. Realms have their own authentication, credentials and layout options. Every Callimachus instance includes at least one Realm, which is also refered to as the home folder.

Pragma Description
?register Redirects to the authentication manager (if only one), or the manager in the choice parameter, or returns an HTML page listing the available managers
?login Redirects to the authentication manager (if only one), or the manager in the choice parameter, or returns an HTML page listing the available managers
?profile Redirects to the URI of the currently logged in user account
?logout Resets cookies and forces bogus credentials to replace any legitimate ones
?search Responds witha open search description file
?q Searches the labels of all the files and resources in this realm and responds with an HTML page or ATOM feed