ResearchResearch paperEfficiency & Inference · Training & Scaling · Data & Datasets1 source · Oct 9, 2026

DataCupid: Stable Matching Repair for Training Data Acquisition with Delayed Feedback

Matching repair after utility changes can reuse valid observations, but new evaluations must respect matching capacity and may return out of order.

Key points

  • We study announced invalidations with bounded, possibly reward-dependent reporting delays and pending evaluations that do not occupy future matching capacity.
  • Residualload repair (RLR) combines sound outcome certificates with batched matching schedules for unequal sample deficits.
  • On fixed priority-star markets with unknown Bernoulli gaps, PrioritySearch attains the history-adjusted first-order constant for expected certification time as δ {\sim} 0, under hypothesis-independent linear history scaling and sublogarithmic reporting delays.
  • Paired simulations and measured-feedback replay quantify the trade-offs: in the replay, RLR-P has lower mean capped update-certification time than a monitored width-based baseline, at higher oracle CPU cost.

Sources (1)

  • [1]DataCupid: Stable Matching Repair for Training Data Acquisition with Delayed Feedback
    arXiv (AI, ML, NLP, CV, robotics, multi-agent) · Oct 9, 03:59 AM
    Matching repair after utility changes can reuse valid observations, but new evaluations must respect matching capacity and may return out of order.
    We study announced invalidations with bounded, possibly reward-dependent reporting delays and pending evaluations that do not occupy future matching capacity.

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