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JACIII Vol.25 No.3 pp. 277-284
doi: 10.20965/jaciii.2021.p0277
(2021)

Paper:

Creating a Disaster Chain Diagram from Japanese Newspaper Articles Using Mechanical Methods

Fumihiro Sakahira*,† and U Hiroi**

*IoE Business Department, KOZO KEIKAKU ENGINEERING Inc.
4-38-13 Hon-cho, Nakano-ku, Tokyo 164-0012, Japan

**Graduate School of Engineering, The University of Tokyo
7-3-1 Hongo, Bunkyo-ku, Tokyo 113-8656, Japan

Corresponding author

Received:
October 27, 2020
Accepted:
November 25, 2020
Published:
May 20, 2021
Keywords:
disaster chain diagram, causal knowledge, causal network, Japanese newspaper articles
Abstract

A new method for creating a chain diagram of events that occur during disasters by extracting causal knowledge from Japanese newspaper articles and designing a causal network is proposed herein. Machine learning discriminant models were created for both conventional cue phrases and succession expressions with causation to extract causal sentences. We found that causal sentences can be extracted with a certain degree of accuracy from disaster articles. We were also able to create a causal network using sentences as nodes and links. The chain diagram using our new method extracted events and causal knowledge that were unavailable in a disaster chain diagram designed using conventional methods.

Cite this article as:
Fumihiro Sakahira and U Hiroi, “Creating a Disaster Chain Diagram from Japanese Newspaper Articles Using Mechanical Methods,” J. Adv. Comput. Intell. Intell. Inform., Vol.25, No.3, pp. 277-284, 2021.
Data files:
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Last updated on Oct. 20, 2021