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Cashtag piggybacking: uncovering spam and bot activity in stock microblogs on Twitter
[article]
2018
arXiv
pre-print
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More importantly, we uncover a malicious practice - referred to as cashtag piggybacking - perpetrated by coordinated groups of bots and likely aimed at promoting low-value stocks by exploiting the popularity ...
Our results call for the adoption of spam and bot detection techniques in all studies and applications that exploit user-generated content for predicting the stock market. ...
Cashtag piggybacking Results of our study uncover a large presence of bot accounts in stock microblogs on Twi er. ...
arXiv:1804.04406v2
fatcat:d4erx3svnrfkjpqt4tqlfdjeq4
Identifying and Analyzing Cryptocurrency Manipulations in Social Media
[article]
2019
arXiv
pre-print
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A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2020; you can also visit the original URL.
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Finally, we analyze the prevalence of bots in cryptocurrency related tweets, and observe a significant increase in bot activity during the pump attempts. ...
Because of the speed and relative anonymity offered by social platforms such as Twitter and Telegram, social media has become a preferred platform for scammers who wish to spread false hype about the cryptocurrency ...
We would also like to thank Emilio Ferrara and Pegah Jandaghi for their helpful comments. ...
arXiv:1902.03110v2
fatcat:xz6oufmcujcjxnvmbknjjri3dm