Modeling narrative structure and dynamics with networks, sentiment analysis, and topic modeling

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Human communication is invariably executed in the form of a narrative, an account of connected events comprising characters, actions, and settings. A coherent and well-structured narrative is therefore essential for effective communication, confusion caused by a haphazard attempt at storytelling being a common experience. This also suggests that a scientific understanding of how a narrative is formed and delivered is key to understanding human communication and dialog. Here we show that the definition of a narrative lends itself naturally to network-based modeling and analysis, and they can be further enriched by incorporating various text analysis methods from computational linguistics. We model the temporally unfolding nature of narrative as a dynamical growing network of nodes and edges representing characters and interactions, which allows us to characterize the story progression using the network growth pattern. We also introduce the concept of an interaction map between characters based on associated sentiments and topics identified from the text that characterize their relationships explicitly. We demonstrate the methods via application to Victor Hugo's Les Miserables. Going beyond simple, aggregate occurrence-based methods for narrative representation and analysis, our proposed methods show promise in uncovering its essential nature of a highly complex, dynamic system that reflects the rich structure of human interaction and communication.
Publisher
PUBLIC LIBRARY SCIENCE
Issue Date
2019-12
Language
English
Article Type
Article
Citation

PLOS ONE, v.14, no.12

ISSN
1932-6203
DOI
10.1371/journal.pone.0226025
URI
http://hdl.handle.net/10203/274710
Appears in Collection
GCT-Journal Papers(저널논문)
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