The Plot Thins: Uniformity and Linearity in Literary Summaries

Abstract:Works of literature are complicated; they balance plot, suspense, surprise, and artistic expression. Summaries of literature prioritize plot, and therefore may deviate from their sources. Using a combination of manual and LLM-based annotation, we construct a dataset mapping sentences from 150 novel summaries to their respective source chapters. We find the task unexpectedly difficult for both human and model annotators. Using the sentence-to-chapter mappings, we then measure summary linearity, the degree to which it maintains the source's order of events, and uniformity, the degree to which a summary spreads attention equally across a source. By examining when and how summaries break linearity and uniformity, we identify differences in how literary works and summaries express plot, particularly with regard to the clarity and prominence with which narrative details are described.

Computation and Language (cs.CL)

arXiv:2608.17218 [cs.CL]

(or arXiv:2608.17218v1 [cs.CL] for this version)

https://doi.org/10.48550/arXiv.2608.17218 Focus to learn more arXiv-issued DOI via DataCite (pending registration)

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