arXiv AI
KItCAT: Knowledge Injection via Input Corruption for Auto-regressive Training
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arXiv AI
Jun 16
Data Augmentations for Data-Constrained Language Model Pretraining
arXiv:2606. 16246v1 Announce Type: cross Abstract: As AI labs approach a data ceiling where compute capacity outpaces the rate of new high-quality text generation, language model pretraining is shifting toward a data-constrained, compute-abundant regime that demands productive multi-epoch training on fixed corpora.
arXiv AI
Aug 20
Demystifying Training-Time Augmentation for Data-Constrained Language Model Pretraining
The paper investigates training-time data augmentation as a regularizer for autoregressive language model pretraining in data‑constrained, compute‑abundant settings. It introduces three orthogonal augmentation categories—token‑level noise, sequence permutations, and target offset prediction—and shows through systematic ablations that each category delays overfitting and reduces validation loss, with random token replacement performing best individually. Combining augmentation categories further lowers the minimum validation loss, demonstrating that such augmentations mitigate data inefficiency in autoregressive pretraining.
arXiv AI
Aug 11
SPA: A Simple but Tough-to-Beat Baseline for Knowledge Injection
arXiv:2603. 22213v2 Announce Type: replace-cross Abstract: While large language models (LLMs) are pretrained on massive amounts of data, their knowledge coverage remains incomplete in specialized, data-scarce domains, motivating extensive efforts to study synthetic data generation for knowledge injection.
arXiv AI
Jun 16
Retrievable Gradients: Continual Post-Training Without Cumulative Weight Drift
arXiv:2606. 15734v1 Announce Type: cross Abstract: Continual post-training enables models to absorb emerging knowledge after deployment, but repeatedly updating shared parameters can accumulate weight drift, potentially causing catastrophic forgetting and degrading general capabilities.
arXiv AI
Jun 4
ZeroUnlearn: Few-Shot Knowledge Unlearning in Large Language Models
arXiv:2605. 18879v3 Announce Type: replace-cross Abstract: Large language models inevitably retain sensitive information, defined as inputs that may induce harmful generations, due to training on massive web corpora, raising concerns for privacy and safety.
arXiv Computation and Language
3d ago
REER-PT: Reverse-Engineered Reasoning for Perplexity-Guided Pre-training Data Augmentation
arXiv:2608.30627v1 Announce Type: new Abstract: As language-model compute continues to scale, high-quality training data is becoming an increasingly important bottleneck. Conventional next-token pred...