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Exploiting geolocation, user and temporal information for natural hazards monitoring in Twitter

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Fresno, Víctor, Zubiaga, Arkaitz, Ji, Heng and Martínez, Raquel (2015) Exploiting geolocation, user and temporal information for natural hazards monitoring in Twitter. Procesamiento del Lenguaje Natural, 54 . pp. 85-92.

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Abstract

During emergency situation events it is important to acquire as much information about the event as possible, and social media sites like Twitter offer important real-time user contributed data. Typical Information Filtering techniques are keyword-based approaches or focused on co-occurrence with keywords. However, this approximations can lose relevant local information if messages do not contain an initially considered event-related keyword. Considering geolocation, user and temporal information within a pseudo-relevance feedback approach we can find event-related terminology but not co-occurring with initially considered keywords. Thus, taking into account the temporal aspect we can modify a query expansion function like Kullback-Leibler divergence in order to improve the Information Filtering process. The proposals has been evaluated in two datasets of real-world events obtaning encouraging results.

Item Type: Journal Article
Subjects: H Social Sciences > HM Sociology
Q Science > QA Mathematics > QA76 Electronic computers. Computer science. Computer software
Divisions: Faculty of Science > Computer Science
Library of Congress Subject Headings (LCSH): Social media -- Data processing, Natural disasters -- Data processing
Journal or Publication Title: Procesamiento del Lenguaje Natural
Publisher: Sociedad Espanola para el Procesamiento del Lenguaje Natural
ISSN: 1135-5948
Official Date: 2015
Dates:
DateEvent
2015Published
13 February 2015Accepted
Volume: 54
Page Range: pp. 85-92
Status: Peer Reviewed
Publication Status: Published
Access rights to Published version: Open Access
Funder: Spain. Ministerio de Ciencia e Innovación (MICINN), U.S. Army Research Laboratory (ARL)
Grant number: TIN2013- 46616-C2-2-R (MICINN), 2012V/PUNED/0004 (MICINN), W911NF-09-2-0053 (ARL)
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