dataset card

README.md

@@ -65,6 +65,11 @@ All tasks have qrels files `qrels/<task>_<split>.tsv` (splits `train`, `dev`, `t
 - **Pre-submission variant** (`precedent`, `precedenthc`): same citation edges, eligible = answers published before
   the question date.
 
+**Example (test).** Question `P-9-2024-000684` (4 Mar 2024, asbestos screening proposal): its official reply
+`P-9-2024-000684-ASW` is a referral stub ("…would refer the Honourable Member to its answer to written question
+[REF]"), which is the AnswerRet target. The answer it cites, `E-9-2023-003699-ASW` (12 Mar 2024), is the CiteRet
+target; it is eligible at drafting time (before the reply) but not in the pre-submission variant (after the question).
+
 ## Files
 
 All files of a release live under `<version>/` (this card: `v1.0/`); the git tag `v1.0` freezes them. Runs and
@@ -99,9 +104,11 @@ alone scores MRR@10 0.989) and a 0–180-day date window lifts BM25 from 0.547 t
 as-of filters of the citation tasks.
 
 **Baseline protocol caveat.** Fine-tuning on the training split with BM25 hard negatives mined across the whole
-archive (the pre-registered protocol) hurts (MRR@10 0.433 vs 0.490 zero-shot), consistent with a temporal
-negative-selection shortcut; date-matched negatives give 0.632, a post-hoc single-seed result to be confirmed on the
-next test period. Best pre-registered baseline: RRF(BM25, BGE-M3), 0.588.
+archive (the pre-registered protocol) hurts (MRR@10 0.424 ± 0.008 over 3 seeds vs 0.490 zero-shot). Post-hoc
+controls: random negatives 0.666, random negatives within ±365 days 0.708, date-matched BM25 negatives 0.637. The
+mined negatives are mostly at least partially relevant answers the qrels miss (audited test queries: 18% "directly
+addresses", 51% "partially"), plus a date signal. Avoid naive hard-negative mining here; these results are post hoc,
+to be confirmed on the next test period. Best pre-registered baseline: RRF(BM25, BGE-M3), 0.588.
 
 Splits are temporal (train 2014–2021, dev 2022–2023, test 2024–2026); 2015 questions are dated from their XML
 header.