Phenomenon
Popularity Bias
Canonical ID https://id.searchplex.net/popularity-bias/
A bias in retrieval, ranking, or recommendation where already popular items receive disproportionate exposure or preference.
Scope
Popularity bias can affect recommendations, search ranking, training data, and implicit feedback loops. It is not the same as relevance, although popularity can be used as one relevance or utility signal.
Not equivalent to
- Popularity Bias is not Position Bias. Popularity bias concerns item popularity and exposure; position bias concerns the effect of display rank or position.
- Popularity Bias is not Relevance. Popularity bias favors popular items; relevance is the usefulness or topical fit of an item for a query or information need.
Learn more
ID
- Canonical ID
https://id.searchplex.net/popularity-bias/ - Scheme
Searchplex ID - Machine
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