In the search for more effective advertising strategies, these companies soon discovered the potential in ads that were targeted towards user interests.

Two, we have an advertiser base that matches user interests.

To widen the potential field of user interest, the authors developed a hybrid of two algorithms.

He calls these 'interest categories', each one intended to represent a discrete field of user interest.

This score measures the ability of influencing others' thoughts and actions towards specific areas driven by user interest and expertise.

In these categories, one can see the principle of user interest at the center of the system.

It has powerful search agents and completely automates the retrieval of new information in all areas of user interest.

On August 21, 2008, the website was shut down, due to what its founders called "insufficient user interest in the site."

These queries result in selected video stories specific to user interest .

In addition, algorithms can be created to follow a user's personalcast sessions to capture user interest.