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Microblogging during the European Floods 2013: What Twitter May Contribute in German Emergencies

Reuter, Christian ; Schröter, Julian (2023)
Microblogging during the European Floods 2013: What Twitter May Contribute in German Emergencies.
In: International Journal of Information Systems for Crisis Response and Management, 2015, 7 (1)
doi: 10.26083/tuprints-00022503
Article, Secondary publication, Publisher's Version

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Abstract

Social media is becoming more and more important in crisis management. However its analysis by emergency services still bears unaddressed challenges and the majority of studies focus on the use of social media in the USA. In this paper German tweets of the European Flood 2013 are therefore captured and analyzed using descriptive statistics, qualitative data coding, and computational algorithms. Our work illustrates that this event provided sufficient German traffic and geo-locations as well as enough original data (not derivative). However, up-to-date Named Entity Recognizer (NER) with German classifier could not recognize German rivers and highways satisfactorily. Furthermore our analysis revealed pragmatic (linguistic) barriers resulting from irony, wordplay, and ambiguity, as well as in retweet-behavior. To ease the analysis of data we suggest a retweet ratio, which is illustrated to be higher with important tweets and may help selecting tweets for mining. We argue that existing software has to be adapted and improved for German language characteristics, also to detect markedness, seriousness and truth

Item Type: Article
Erschienen: 2023
Creators: Reuter, Christian ; Schröter, Julian
Type of entry: Secondary publication
Title: Microblogging during the European Floods 2013: What Twitter May Contribute in German Emergencies
Language: English
Date: 2023
Place of Publication: Darmstadt
Year of primary publication: 2015
Publisher: IGI Global
Journal or Publication Title: International Journal of Information Systems for Crisis Response and Management
Volume of the journal: 7
Issue Number: 1
DOI: 10.26083/tuprints-00022503
URL / URN: https://tuprints.ulb.tu-darmstadt.de/22503
Corresponding Links:
Origin: Secondary publication service
Abstract:

Social media is becoming more and more important in crisis management. However its analysis by emergency services still bears unaddressed challenges and the majority of studies focus on the use of social media in the USA. In this paper German tweets of the European Flood 2013 are therefore captured and analyzed using descriptive statistics, qualitative data coding, and computational algorithms. Our work illustrates that this event provided sufficient German traffic and geo-locations as well as enough original data (not derivative). However, up-to-date Named Entity Recognizer (NER) with German classifier could not recognize German rivers and highways satisfactorily. Furthermore our analysis revealed pragmatic (linguistic) barriers resulting from irony, wordplay, and ambiguity, as well as in retweet-behavior. To ease the analysis of data we suggest a retweet ratio, which is illustrated to be higher with important tweets and may help selecting tweets for mining. We argue that existing software has to be adapted and improved for German language characteristics, also to detect markedness, seriousness and truth

Uncontrolled Keywords: Computer-mediated communication, disaster management, emergency, data mining, text mining, social media, microblogging, Twitter, crisis informatics, entity extraction, information retrieval, clustering, web-based services, RapidMiner
Status: Publisher's Version
URN: urn:nbn:de:tuda-tuprints-225032
Classification DDC: 000 Generalities, computers, information > 004 Computer science
300 Social sciences > 360 Social problems , social services, insurance
300 Social sciences > 380 Commerce, communications, transportation
Divisions: 20 Department of Computer Science
20 Department of Computer Science > Science and Technology for Peace and Security (PEASEC)
Date Deposited: 27 Feb 2023 11:06
Last Modified: 06 Mar 2023 14:32
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