Papers with semantic quality
Dual-Axis Generative Reward Model Toward Semantic and Turn-taking Robustness in Interactive Spoken Dialogue Models (2026.acl-long)
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Yifu Chen, Shengpeng Ji, Zhengqing Liu, Qian Chen, Wen Wang, Ziqing Wang, Yangzhuo Li, Tianle Liang, Zhou Zhao
| Challenge: | Reinforcement learning (RL) has improved text- and vision-language models, but its application in SDMs is hindered. |
| Approach: | They propose a dual-axis Generative Reward Model that provides semantic quality and interaction timing for SDMs. |
| Outcome: | The proposed model achieves state-of-the-art performance on interaction-quality assessment across a wide spectrum of datasets. |
WavAlign: Enhancing Intelligence and Expressiveness in Spoken Dialogue Models via Adaptive Hybrid Post-Training (2026.findings-acl)
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Yifu Chen, Shengpeng Ji, Qian Chen, Tianle Liang, Yangzhuo Li, Ziqing Wang, Wen Wang, Jingyu Lu, Haoxiao Wang, Xueyi Pu, Fan Zhuo, Zhou Zhao
| Challenge: | End-to-end spoken dialogue models have higher potential ceiling in expressiveness and perceptual ability than cascaded systems. |
| Approach: | They propose a modality-aware adaptive post-training recipe that constrains preference updates to the semantic channel and improves acoustic behavior via explicit anchoring. |
| Outcome: | The proposed model improves speech quality and expressiveness across spoken dialogue benchmarks and architectures. |
ADePT: Auto-encoder based Differentially Private Text Transformation (2021.eacl-main)
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| Challenge: | Differential privacy is an important privacy concern when building statistical models on data containing sensitive information. |
| Approach: | They propose a utility-preserving differentially private text transformation algorithm using auto-encoders that can be used to transform text to offer robustness against attacks and produce transformations with high semantic quality. |
| Outcome: | The proposed model performs better against membership inference attacks while offering lower to no degradation in the utility of the underlying transformation process compared to baselines. |
Interactive Post-Editing for Verbosity Controlled Translation (2022.coling-1)
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| Challenge: | Recent machine translation models have shown to excel with aspects of translation quality like adequacy and fluency but these models still suffer notable shortcomings like out-of-domain data, low-resource languages, rare words and longer sentences. |
| Approach: | They propose to use human-in-loop interactive post-editing models to improve translation quality and rephrase the text with a desired style variation. |
| Outcome: | The proposed model achieves BERTScore over state-of-the-art machine translation models while maintaining the desired token-level and verbosity preference. |
TabEmb: Joint Semantic-Structure Embedding for Table Annotation (2026.acl-long)
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| Challenge: | Existing tables learn by linearizing the 2D table into a 1D token sequence and encoding it with pretrained language models (PLMs) such as BERT, but this leads to limited semantic quality and weaker generalization to unseen or rare values compared to modern LLMs. |
| Approach: | They propose a table annotation module called TabEmb which decouples semantic encoding from structural modeling by creating semantically rich embeddings for each column. |
| Outcome: | Experiments show that TabEmb outperforms baselines on different table annotation tasks. |
DcLM: Output Length Control of Large Language Models via Dynamic Length Markers (2026.findings-acl)
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| Challenge: | Large language models (LLMs) have limited awareness of output length, making it difficult to satisfy precise length requirements. |
| Approach: | They propose a model-agnostic approach that introduces dynamic length markers to guide length-controllable outputs. |
| Outcome: | The proposed method significantly reduces length deviation across multiple datasets. |
Optimizing Conversational Quality in Spoken Dialogue Systems with Reinforcement Learning from AI Feedback (2026.findings-acl)
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Siddhant Arora, Jinchuan Tian, Jiatong Shi, Hayato Futami, Yosuke Kashiwagi, Emiru Tsunoo, Shinji Watanabe
| Challenge: | Existing studies on reinforcement learning from human or AI feedback have focused on semantic rewards at the utterance level. |
| Approach: | They propose a multi-reward RLAIF framework for speech-in/speech-out dialogue systems . they combine semantic, audio-quality, and emotion-consistency rewards . |
| Outcome: | The proposed framework improves speech-in/speech-out dialogue system quality . it combines semantic, audio-quality, and emotion-consistency rewards . the proposed framework is available to download from the cdc. |