通过因果推理与潜在向量操控,实现可控且负责任的文本生成。
JAM: Controllable and Responsible Text Generation via Causal Reasoning and Latent Vector Manipulation
- 在模型隐空间中引入因果分析,解析文本生成的内在因果关系。
- 相比现有方法,在多个指标上提升22%,且计算效率更高。
- 适合追求可解释性与安全可控文本生成的研究者与开发者。
尽管大语言模型在生成连贯、语境相关文本方面取得了显著进展,但其通常作为黑箱运行,基于海量无标签数据进行统计训练,缺乏可解释的责任控制框架。本文提出JAM(Just A Move)框架,通过在大语言模型的隐空间内整合因果-效应分析,实现对文本生成过程的解读与控制。基于观察,我们发现了语言模型生成中的内在因果性,这对生成负责任且真实的输出至关重要。此外,我们探索了潜在向量作为大语言模型架构的基本组成,旨在理解并操控它们以实现更高效、更具针对性的可控文本生成。我们采用多种工具评估该框架,包括HHH标准、毒性降低基准和GPT-4对齐度量。结果表明,JAM在多个定量指标和人类评估中,相较先前的可控文本生成(CTG)方法最高提升22%;同时展现出优于其他方法的计算效率。这些结果凸显了JAM在实现可解释、负责任与高效文本生成方面的有效性,为更透明、可控制的模型发展铺平道路。
原文摘要 · Abstract (English)
While large language models (LLMs) have made significant strides in generating coherent and contextually relevant text, they often function as opaque black boxes, trained on vast unlabeled datasets with statistical objectives, lacking an interpretable framework for responsible control. In this paper, we introduce JAM (Just A Move), a novel framework that interprets and controls text generation by integrating cause-effect analysis within the latent space of LLMs. Based on our observations, we uncover the inherent causality in LLM generation, which is critical for producing responsible and realistic outputs. Moreover, we explore latent vectors as fundamental components in LLM architectures, aiming to understand and manipulate them for more effective and efficient controllable text generation. We evaluate our framework using a range of tools, including the HHH criteria, toxicity reduction benchmarks, and GPT-4 alignment measures. Our results show that JAM achieves up to a 22% improvement over previous Controllable Text Generation (CTG) methods across multiple quantitative metrics and human-centric evaluations. Furthermore, JAM demonstrates greater computational efficiency compared to other CTG methods. These results highlight the effectiveness and efficiency of JAM for responsible and realistic text generation, paving the way for more interpretable and controllable models.
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