Papers by Da Ren
KnowRL: Exploring Knowledgeable Reinforcement Learning for Factuality (2026.acl-long)
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| Challenge: | Existing Reinforcement Learning approaches rely on outcome-oriented rewards to reinforce fabricated reasoning paths when the final answer is correct. |
| Approach: | They propose a framework that integrates factual supervision directly into reasoning . they propose to decompose chain of thought into atomic facts and verify them against ground-truth knowledge . |
| Outcome: | The proposed framework reduces the Incorrect Rate on SimpleQA by 20.3% while maintaining strong performance on complex reasoning benchmarks. |
RecGPT: A Foundation Model for Sequential Recommendation (2025.emnlp-main)
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| Challenge: | Existing approaches fail in cold-start and cross-domain scenarios where new users or items lack sufficient interaction history. |
| Approach: | They propose a foundation model for sequential recommendation that achieves genuine zero-shot generalization capabilities by deriving item representations exclusively from textual features. |
| Outcome: | The proposed model achieves zero-shot generalization capabilities in cold-start and cross-domain scenarios. |
Releasing the Capacity of GANs in Non-Autoregressive Image Captioning (2024.lrec-main)
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| Challenge: | Existing non-autoregressive (NAR) models suffer from their inherent multi-modality problem. |
| Approach: | They propose an Adversarial Non-autoregressive Transformer for Image Captioning that improves model performance by modifying model structure to be compatible with contrastive learning. |
| Outcome: | The proposed model achieves 26.72 times faster than the autoregressive model on the MSCOCO dataset. |
TSDG: Content-aware Neural Response Generation with Two-stage Decoding Process (2020.findings-emnlp)
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| Challenge: | Empirical results show that generative models often use a single decoder to generate a complete response at a stroke. |
| Approach: | They propose a content-aware model with two-stage decoding process to separate content words from function words. |
| Outcome: | The proposed model outperforms competing models in automatic and human evaluation on two datasets. |