Sequence Tutor: Conservative Fine-Tuning of Sequence Generation Models with KL-control
Not on the map. Why?
Cited by 46 in LLM alignment / RLHF / preference optimisation, but placed by its own abstract, which didn’t fit.
Abstract (arXiv)
This paper proposes a general method for improving the structure and quality of sequences generated by a recurrent neural network (RNN), while maintaining information originally learned from data, as well as sample diversity. An RNN is first pre-trained on data using maximum likelihood estimation (MLE), and the probability distribution over the next token in the sequence learned by this model is treated as a prior policy. Another RNN is then trained using reinforcement learning (RL) to generate higher-quality outputs that account for domain-specific incentives while retaining proximity to the prior policy of the MLE RNN. To formalize this objective, we derive novel off-policy RL methods for RNNs from KL-control. The effectiveness of the approach is demonstrated on two applications; 1) generating novel musical melodies, and 2) computational molecular generation. For both problems, we show that the proposed method improves the desired properties and structure of the generated sequences, while maintaining information learned from data.
Key facts. Cited by 100 papers in the map (data through 7 Oct 2026). First posted on arXiv 9 Nov 2016.
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Citing papers per year: 2019: 3; 2020: 3; 2021: 7; 2022: 7; 2023: 15; 2024: 16; 2025: 30; 2026: 19.
100 papers.
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- 2026DeRaDiff: Denoising Time Realignment of Diffusion Models28 Jan 2026
- 2026GDRO: Group-level Reward Post-training Suitable for Diffusion Models5 Jan 2026
- 2025Relative Trajectory Balance is equivalent to Trust-PCL1 Sep 2025
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