Twitterにおける東日本大震災前後の利用者活動変遷の調査

URI http://harp.lib.hiroshima-u.ac.jp/it-hiroshima/metadata/10461
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Title
Twitterにおける東日本大震災前後の利用者活動変遷の調査
Title Alternative
Investigation of the Changes of Users Activities on Twitter around the Great East Japan Earthquake
Author
氏名 川口 大貴
ヨミ カワグチ ダイキ
別名 KawaguchiDaiki Daiki
氏名 川本 祐太郎
ヨミ カワモト ユウタロウ
別名 Kawamoto Yutaro
氏名 松本 慎平
ヨミ マツモト シンペイ
別名 Matsumoto Shimpei
氏名 鳥海 不二夫
ヨミ トリウミ フジオ
別名 Toriumi Fujio
Abstract

Twitter has constantly delivered the time-dependent huge amounts of text data, and everyone can easily obtain the published data with Internet. The characteristic of Twitter has been expected to be effective for the usage at the time of disaster. However in Twitter, there have been various kinds of information and also the volume is extremely huge, so it has been difficult to utilize Twitter for the purpose of emergency response as long as Tweets are not classified depending on these contents. Therefore before we discuss about the possibility of Twitter for the network infrastructure in emergency situation, we need to show what type of Tweets distribute in Twitter and what purposes do the users use Twitter. This paper analyzes the changes of users activities under emergency situation by using the data around the Great East Japan Earthquake distributed in Twitter. The difference of usage between before and after the earthquake is addressed to discover the knowledge of disaster with the analysis implemented by Apache Hadoop and Mahout.

Journal Title
IEEE SMC Hiroshima Chapter Young Researchers' Workshop proceedings : IEEE SMC Hiroshima Chapter若手研究会講演論文集
Volume
2012
Spage
133
Epage
134
Published Date
2012-07
Publisher
IEEE SMC Hiroshima Chapter
ISSN
2187-3577
NCID
HP01495586
Language
jpn
NIIType
Conference Paper
Text Version
著者版
Rights
©Copyright by IEEE SMC Hiroshima Chapter. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.
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