FA-100108 / Preference pair construction / Member archive
Preference pairs: ordinal labels are treated as numeric distances · case 03
ordinal labels are treated as numeric distances.
Case contract
Rows are [id,category]. Categories map low < middle < high. Return every strictly ordered [higher_id,lower_id] pair once in input pair order.
Why this case matters
A small deterministic preference-data transform makes pair semantics inspectable without a training framework.
One recorded failure
Sample boundary fixtureThis sample comes from the broken implementation of a controlled reproducer.
| Boundary fixture | Actual | Expected | Outcome |
|---|---|---|---|
| reverse order | [["a", "b"]] | [["b", "a"]] | Failed |
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