A data processing system and method delivers an open profile personalization system based on profile data structures that contain one or more interest nodes or channels. The channels can be created or subscribed to by the user, provided by social media friends of the user, and/or suggested by editors of the system. The interest nodes include respective sets of targets and qualifiers, where the targets and qualifiers comprise types of attributes to be used in the filtering of information files for delivery as a result set for the interest nodes. Targets and qualifiers are applied to the types of attributes and available information files to produce a filtered set. Web pages showing personalized results include tools based on content analysis to assist the user in creation and editing of the open profile.