FA-100308 / Dataset deduplication grouping / Member archive
Dataset deduplication: short duplicate fragment fails containment test · case 03
short duplicate fragment fails containment test.
Case contract
Return overlap coefficient: intersection size divided by smaller set size; two empty sets score 1.
Why this case matters
This deterministic toy operation makes one dataset equivalence or representative rule explicit.
One recorded failure
Sample boundary fixtureThis sample comes from the broken implementation of a controlled reproducer.
| Boundary fixture | Actual | Expected | Outcome |
|---|---|---|---|
| left contained | 0.3333333333333333 | 1 | Failed |
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