Publikation:

Exploratory Text Analysis using Lexical Episode Plots

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2015

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https://doi.org/10.2312/eurovisshort.20151130
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Politik- und Verwaltungswissenschaft: Publikationen
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BERTINI, Enrico, ed., Jessie KENNEDY, ed., Enrico PUPPO, ed.. Eurographics Conference on Visualization (EuroVis) 2015 : Short Papers. The Eurographics Association, 2015, pp. 85-90. Available under: doi: 10.2312/eurovisshort.20151130

Zusammenfassung

In this paper, we present Lexical Episode Plots, a novel automated text-mining and visual analytics approach for exploratory text analysis. In particular, we first describe an algorithm for automatically annotating text regions to examine prominent themes within natural language texts. The algorithm is based on lexical chaining to find spans of text in which the frequency of a term is significantly higher than its average in the document. In a second step we present an interactive visualization supporting the exploration and interpretation of Lexical Episodes. The visualization links higher-level thematic structures with content-level details. The methodological capabilities of our approach are illustrated by analyzing the televised US presidential election debates.

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004 Informatik

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EuroVis : The EG/VGTC Conference on Visualization, 25. Mai 2015 - 29. Mai 2015, Cagliari, Italy
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ISO 690GOLD, Valentin, Christian ROHRDANTZ, Mennatallah EL-ASSADY, 2015. Exploratory Text Analysis using Lexical Episode Plots. EuroVis : The EG/VGTC Conference on Visualization. Cagliari, Italy, 25. Mai 2015 - 29. Mai 2015. In: BERTINI, Enrico, ed., Jessie KENNEDY, ed., Enrico PUPPO, ed.. Eurographics Conference on Visualization (EuroVis) 2015 : Short Papers. The Eurographics Association, 2015, pp. 85-90. Available under: doi: 10.2312/eurovisshort.20151130
BibTex
@inproceedings{Gold2015Explo-32053,
  year={2015},
  doi={10.2312/eurovisshort.20151130},
  title={Exploratory Text Analysis using Lexical Episode Plots},
  url={https://diglib.eg.org/handle/10.2312/eurovisshort.20151130.085-089},
  publisher={The Eurographics Association},
  booktitle={Eurographics Conference on Visualization (EuroVis) 2015 : Short Papers},
  pages={85--90},
  editor={Bertini, Enrico and Kennedy, Jessie and Puppo, Enrico},
  author={Gold, Valentin and Rohrdantz, Christian and El-Assady, Mennatallah}
}
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Interner Vermerk

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URL der Originalveröffentl.
https://diglib.eg.org/handle/10.2312/eurovisshort.20151130.085-089

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2015-09-30

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