Information Retrieval¶
Rijsbergen, C. J. v. (1979). Information Retrieval.
Cited by¶
3 citations across 3 artifacts.
Each citation links to the sentence it supports in the citing article.
Primes¶
- Complementarity
- In information and inference, precision and recall form a complementary pair on a classifier's behavior, neither informative alone, and Type I and Type II errors partition the error space.
This sourceStandard information-retrieval text defining precision (fraction of retrieved that is relevant) and recall (fraction of relevant that is retrieved) as the complementary pair characterizing retrieval effectiveness. (Resolves needs-source-956 for precision/recall as a complementary pair; the Type I/II-error portion of the marker is standard statistics and is supported by the same complementary-pair framing.)
- In information and inference, precision and recall form a complementary pair on a classifier's behavior, neither informative alone, and Type I and Type II errors partition the error space.
Mechanisms¶
- Negative Keyword Filter
- An over-broad term buries relevant documents that happen to contain it — the precision-versus-recall tension in sharp form, where tightening the filter to catch more junk also discards more signal.
This sourceTreats precision and recall as distinct retrieval-effectiveness criteria whose relative importance must be balanced.
- An over-broad term buries relevant documents that happen to contain it — the precision-versus-recall tension in sharp form, where tightening the filter to catch more junk also discards more signal.
- Precision / Recall Tradeoff Review
- It settles on a threshold that keeps the queue inside capacity while an F-beta weighting nudges toward recall — because here a missed attack costs far more than a wasted hour.
This sourceDefines a combined precision–recall effectiveness measure whose weighting parameter expresses the user's relative importance of recall versus precision.
- It settles on a threshold that keeps the queue inside capacity while an F-beta weighting nudges toward recall — because here a missed attack costs far more than a wasted hour.
Verification¶
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