Rules only

FloorMaintainer

The zero-cost rules-only baseline, run by the benchmark harness.

Vendor: OpenDisclosure
Provider: None
Region: Not applicable
Version: pilot 2026-10-14
Composition: OpenDisclosure's rule engine without a model

F2 score

16.5%95% CI 10.9%–22.3%

Leak recall

13.7%95% CI 8.9%–18.7%

Over-redaction

4.4%95% CI 2.5%–7.0%

Output precision

64.9%95% CI 55.0%–71.0%

Cost per 1,000 pages

EUR 0.0095% CI not applicable · measured list-price cost

Recall by bucket

Universal identifiers

44.6%95% CI 30.4%–57.0%

Names

7.2%95% CI 4.7%–11.0%

Contextual personal data

7.8%95% CI 3.3%–14.1%

Breakdowns

Groups below the reporting floor are not shown.

Language	Documents	F2	Recall	Over-redaction
de	24	18.4%	15.4%	9.5%
en	24	26.1%	22.1%	7.4%
es	22	5.9%	4.8%	1.4%
fr	20	31.1%	26.6%	6.0%
it	23	8.6%	7.0%	7.1%
nl	22	12.3%	10.1%	3.7%

Provenance

Dataset version and split: 1.0.0-r3+labels.20261006.1 · tuning
Scoring: 1.3
Harness version: pilot-2026-10-15
Run date: 2026-10-14
Documents: 135
Pages: 892
Repeats: 1
Price date: 2026-09-29
Spend: EUR 0.00
Credits: None · paid by OpenDisclosure

Cite this

@misc{eu-redaction-rules-only,
  author = {OpenDisclosure},
  title = {EU Redaction Benchmark: Rules only},
  year = {2026},
  url = {https://opendisclosure.eu/benchmark/systems/rules-only/},
  note = {r3-tuning-pilot-2026-10-15; tuning split; scoring 1.3}
}

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