Empirical Study of the Spread of Misinformation: A Big Data Approach
2021-05
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Empirical Study of the Spread of Misinformation: A Big Data Approach
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2021-05
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Thesis or Dissertation
Abstract
Social media platforms like Twitter and Facebook have made the world a more connected
place and have become indispensable parts of our lives. However, these networks have
also become conducive environments for massive diffusion of misinformation. These platforms generate huge volumes of data, a sizable portion of which consists of what has
popularly come to be known as fake news. These sites are also plagued with automated
bots which serve as catalysts for the dispersion of misinformation whilst also making it
harder for researchers to study misinformation by exponentially increasing the volume
of data generated. This thesis is a part of a larger effort by researchers to advance our
understanding of the spread of misinformation and its characteristics. In this thesis I first
outline an approach we used to build a massive fake news dataset that was rich enough to
capture complex behavioural patterns. Next, I describe an approach that we used to build
machine learning models to detect false information spreaders on Twitter and present an
empirical validation of our models that yield accuracies of over 90%. Finally, I propose a
pipeline to filter out bots from these datasets by building on existing state-of-the-art bot
detection techniques. I also present a comprehensive analysis of the effects that these bots
have on fake news spreader detection. I conclude that a bot filtration phase is essential
in ensuring optimal performance of models in predicting likely spreaders.
Description
Honors Thesis. 2021.
Author: Aadesh Salecha
Major: Computer Science
Advisor: Jaideep Srivastava.
1 computer file (PDF); 152 pages.
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Salecha, Aadesh. (2021). Empirical Study of the Spread of Misinformation: A Big Data Approach. Retrieved from the University Digital Conservancy, https://hdl.handle.net/11299/222250.
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