A method and apparatus using feedback obtained by user clicks and the
position of the clicked images in the search result to determine user
preferences for data that best satisfies particular queries. User click
information is tracked to determine which images users click on for
particular queries. This information is used to update and improve future
query results. The described embodiment determines a user preference
score for each image that is clicked for a given query. The placement of
a clicked image in the search results is considered when computing the
image/query score.