用计算方法分析鲍勃·迪伦60年歌词，揭示其不断突破风格的创作规律。
On Bob Dylan: A Computational Perspective
- 通过大语言模型构建歌词概念网络图，量化主题结构变化。
- 发现迪伦歌词中隐喻使用增多，核心概念中心性波动加剧。
- 适合研究艺术演变、文化创新或计算人文领域的读者。
卡斯·桑斯坦在《论鲍勃·迪伦》中指出，迪伦的创作具有‘去习惯化’特征——持续拒绝预期，不断重塑音乐与词作身份。本文通过大规模计算分析1962至2012年间迪伦的歌词，利用o3-mini-high大语言模型提取概念间关系，构建有向知识图谱，量化情感变化、隐喻表达、主题多样性及网络复杂性。结果显示，迪伦歌词中隐喻使用显著增加，情感谱系持续演变，且‘去习惯化’程度提升——表现为关键概念中心性方差增大。此外，关于运动、抗议和神话意象的引用随其职业生涯阶段波动，契合其艺术动态与不可预测特质。这些发现不仅实证支持了桑斯坦的论断，还提出一种分析艺术家演化的新型计算方法，可广泛应用于文化与创造性变迁研究。
原文摘要 · Abstract (English)
Cass Sunstein's essay 'On Bob Dylan' describes Dylan's 'dishabituating' style -- a constant refusal to conform to expectation and a penchant for reinventing his musical and lyrical identity. In this paper, I extend Sunstein's observations through a large-scale computational analysis of Dylan's lyrics from 1962 to 2012. Using o3-mini-high (a large language model), I extract concept-to-concept relationships from the lyrics and construct directed knowledge graphs that capture Dylan's thematic structure. I then quantify shifts in sentiment, metaphorical expression, thematic diversity, and network complexity over time. The results indicate that Dylan's lyrics increasingly rely on metaphor, display an evolving sentiment profile, and exhibit heightened dishabituation -- measured here as a growing variance in the network centrality of key concepts. I also find that references to movement, protest, and mythic imagery fluctuate in ways that align with well-known phases of Dylan's career, reflecting the dynamic and unpredictable quality of his art. These findings not only deepen our empirical understanding of Sunstein's thesis but also introduce a novel computational method for analyzing an artist's evolution-offering broader applicability to the study of cultural and creative change.
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