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Malicious Behaviour Identification in Online Social Networks

Abstract : This paper outlines work on the detection of anomalous behaviour in Online Social Networks (OSNs). We present various automated techniques for identifying a ‘prodigious’ segment within a tweet, and consider tweets which are unusual because of writing style, posting sequence, or engagement level. We evaluate the mechanism by running extensive experiments over large artificially constructed tweets corpus, crawled to include randomly interpolated and abnormal Tweets. In order to successfully identify anomalies in a tweet, we aggregate more than 21 features to characterize users’ behavioural pattern. Using these features with each of our methods, we examine the effect of the total number of tweets on our ability to detect an anomaly, allowing segments of size 50 tweets 100 tweets and 200 tweets. We show indispensable improvements over a baseline in all circumstances for each method, and identify the method variant which performs persistently better than others.
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https://hal.inria.fr/hal-01824637
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Submitted on : Wednesday, June 27, 2018 - 2:20:07 PM
Last modification on : Monday, February 11, 2019 - 4:22:53 PM
Long-term archiving on: : Thursday, September 27, 2018 - 1:40:25 AM

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Raad Bin Tareaf, Philipp Berger, Patrick Hennig, Christoph Meinel. Malicious Behaviour Identification in Online Social Networks. 18th IFIP International Conference on Distributed Applications and Interoperable Systems (DAIS), Jun 2018, Madrid, Spain. pp.18-25, ⟨10.1007/978-3-319-93767-0_2⟩. ⟨hal-01824637⟩

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