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arXiv · 2610.35628

Investigating Forecasting Capabilities of Narrative Networks on Emerging Stories

Ravi Teja Karumuri·Steven Corman·Huan Liu·Joshua Garland
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Abstract

Networks have been used to model the interactions among the elements that underlie a narrative. In this paper, we investigate whether the structure of these networks can predict which links will emerge as a storyline evolves. We construct these networks from news articles using a Semantic Edge Parser (SEP) built on a Large Language Model (LLM), and evaluate the networks on three disparate real-world storylines, the 2022 Canadian Freedom Convoy, Hurricane Melissa (2025), and the 2025-26 Iranian protests. To test the narrative network's predictive capability, we construct a rolling window of the narrative and predict the emergent links between existing narrative elements on the day following the rolling window period. We identify candidate links with seven standard link predictors, including the Adamic-Adar index, Common Neighbors, and Preferential Attachment. Forecasting next-day links across the three storylines, we find Preferential Attachment to be the strongest standard link predictor, achieving a mean ROC-AUC of 0.76-0.79. It exceeds EdgeBank, a memorization baseline, by 11.3-14.5 points on every event. To summarize, narrative-network structure ranks next-day emergent relations above chance, though this advantage is concentrated among the most frequently mentioned, highly connected entities.

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Ravi Teja Karumuri, Steven Corman, Huan Liu, Joshua Garland. 2026-10-26. Investigating Forecasting Capabilities of Narrative Networks on Emerging Stories. https://arxiv.org/abs/2610.35628

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