Digg's Recommendation System: More Details on How it Works

technologyreview.com — To keep recommendations from being all over the map, the system calculates connections for each topic separately, so that two users who share an interest in video games won't be thought to have, say, like opinions on political stories. To keep recommendations diverse, the system shows only a certain number of stories from each compatible user. Jul 8, 2008 View in Crawl 4