FA-99475 / Vector retrieval ranking / Member archive
Vector retrieval: Multiple query vectors duplicate the same document · case 05
Multiple query vectors duplicate the same document.
Case contract
For per-query rows [doc,score], take each document’s maximum similarity and rank documents once.
Why this case matters
An offline vector retrieval toy model isolates one ranking contract from embedding generation, storage, and serving.
One recorded failure
Sample boundary fixtureThis sample comes from the broken implementation of a controlled reproducer.
| Boundary fixture | Actual | Expected | Outcome |
|---|---|---|---|
| repeat doc | ["a", "b", "a"] | ["a", "b"] | Failed |
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