Harry Potter effect

From RecSysWiki
Revision as of 05:44, 7 December 2012 by Zeno Gantner (talk | contribs) (Created page with "Recommender systems that are biased towards generally popular items exhibit the so-called '''Harry Potter effect'''. Almost everybody likes Harry Potter. While it...")
(diff) ← Older revision | Latest revision (diff) | Newer revision → (diff)
Jump to navigation Jump to search

Recommender systems that are biased towards generally popular items exhibit the so-called Harry Potter effect.

Almost everybody likes Harry Potter. While it is generally correct that users often like globally popular items, recommending them is usually not interesting.

To avoid the Harry Potter effect, items can be filtered or weighted down based on their global popularity.

External links