Abstract: A system, method and program product for providing measure the completeness of a task in a web based environment and for providing dynamic marketing and other adaptive behavior based on how far a user has completed the task. A system is provided that includes: a task definition system for associating subsets of documents available via a content delivery system with a plurality of tasks; a tracking system for tracking which documents have been viewed by a user; a task determination system for determining which of the plurality of tasks the user is engaged in performing; and a progress analysis system for analyzing a progress the user has achieved towards completing the task.

Abstract: A system and method for adaptively selecting content items to be displayed to users visiting a web portal. A system is disclosed that includes a content selection system for selecting a content item from a set of content items to display to a user based on a profile of the user and a set of business value scores associated with the set of content items; a data collection system for collecting performance metrics for users presented with the content items; an initialization system for generating an initial set of business value scores; and a business value generator for adaptively modifying the set of business value scores over time based on the performance metrics.