AI engineering glossary · Time series recsys
What is novelty?
Novelty: How unfamiliar or unpopular the recommended items are to the user or in general. A common measure is the average of negative log popularity of items, so rarer items score higher.
Novelty: an example
Recommending a niche indie film the user has never heard of, instead of a blockbuster.
Related terms
More Time series recsys terms
- Pairwise ranking
- Partial autocorrelation function
- PatchTST
- Pointwise ranking
- Popularity bias
- Prediction interval
- Probabilistic forecasting
- Prophet
Where you learn it
Novelty is part of the AI Engineering Program, which teaches it with notes, a hands-on lab and an exam. The first lesson is free.