Search, retrieval & recommendation· 1972
A Statistical Interpretation of Term Specificity and Its Application in Retrieval
On the reading lists
- #373 in the Top 500 (2026 edition)
- #28 in Search, retrieval & recommendation (2026 edition)
Why it matters
Established inverse document frequency, a foundational idea behind TF-IDF and BM25.
Condensed from the expert lists' notes.
The record
Editor's notes
- Readability check: pass: IDF, from the source; short. (AI draft (Claude), not yet reviewed, 2026-10-29)
Data sources
Catalogue data from OpenAlex (CC0), Crossref (CC0 metadata; no abstracts are shown), arXiv, and Papers With Code (CC BY-SA 4.0). Each count names its source. See the method.