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Exploiting context for rumour detection in social media

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Zubiaga, Arkaitz, Liakata, Maria and Procter, Rob (2017) Exploiting context for rumour detection in social media. In: International Conference on Social Informatics, Oxford, 13-15 Sep 2017. Published in: Social Informatics. SocInfo 2017, 10539 pp. 109-123. ISBN 978-3-319-67216-8. doi:10.1007/978-3-319-67217-5_8 ISSN 0302-9743.

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Official URL: http://dx.doi.org/10.1007/978-3-319-67217-5_8

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Abstract

Tools that are able to detect unverified information posted on social media during a news event can help to avoid the spread of rumours that turn out to be false. In this paper we compare a novel approach using Conditional Random Fields that learns from the sequential dynamics of social media posts with the current state-of-the-art rumour detection system, as well as other baselines. In contrast to existing work, our classifier does not need to observe tweets querying the stance of a post to deem it a rumour but, instead, exploits context learned during the event. Our classifier has improved precision and recall over the state-of-the-art classifier that relies on querying tweets, as well as outperforming our best baseline. Moreover, the results provide evidence for the generalisability of our classifier.

Item Type: Conference Item (Paper)
Subjects: H Social Sciences > HM Sociology
Divisions: Faculty of Science, Engineering and Medicine > Science > Computer Science
Library of Congress Subject Headings (LCSH): Social media, Rumor, Interpersonal communication, Internet -- Social aspects, Mass media and culture, Journalism, Social media -- Political aspects
Journal or Publication Title: Social Informatics. SocInfo 2017
Publisher: Springer
ISBN: 978-3-319-67216-8
ISSN: 0302-9743
Book Title: Social Informatics
Official Date: 3 September 2017
Dates:
DateEvent
3 September 2017Published
3 July 2017Accepted
Volume: 10539
Page Range: pp. 109-123
DOI: 10.1007/978-3-319-67217-5_8
Status: Peer Reviewed
Publication Status: Published
Date of first compliant deposit: 19 September 2017
Date of first compliant Open Access: 19 September 2017
Grant number: ,
RIOXX Funder/Project Grant:
Project/Grant IDRIOXX Funder NameFunder ID
611233Seventh Framework Programmehttp://dx.doi.org/10.13039/100011102
EP/K000128/1[EPSRC] Engineering and Physical Sciences Research Councilhttp://dx.doi.org/10.13039/501100000266
Conference Paper Type: Paper
Title of Event: International Conference on Social Informatics
Type of Event: Conference
Location of Event: Oxford
Date(s) of Event: 13-15 Sep 2017

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