http://www.w3.org/ns/prov#value | - As shown in FIG. 19, after the user selects the term Director: Martin Scorsese, the interface 400 presents a new navigation state {Products: DVDs AND Genre:Drama AND (NOT Director: Martin Scorsese}. [0065] Although the interface to the navigation system has been described herein as a user interface, the interface could provide other forms of access to the navigation system.
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