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Construction of Large-Scale Misinformation Labeled Datasets from Social Media Discourse using Label Refinement



Karishma Sharma , Emilio Ferrara , Yan Liu

* WWW (2022) 

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VigDet: Knowledge Informed Neural Temporal Point Process for Coordination Detection on Social Media



Yizhou Zhang , Karishma Sharma , Yan Liu

* Advances in Neural Information Processing Systems (NeurIPS), 2021 
* Accepted by NeurIPS 2021. 17 pages, 5 figures 

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Characterizing Online Engagement with Disinformation and Conspiracies in the 2020 U.S. Presidential Election



Karishma Sharma , Emilio Ferrara , Yan Liu

* ICWSM 2022 
* Accepted at ICWSM'22 

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COVID-19 Vaccines: Characterizing Misinformation Campaigns and Vaccine Hesitancy on Twitter



Karishma Sharma , Yizhou Zhang , Yan Liu


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Network Inference from a Mixture of Diffusion Models for Fake News Mitigation



Karishma Sharma , Xinran He , Sungyong Seo , Yan Liu

* Fifteenth international AAAI conference on web and social media (ICWSM 2021) 

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Coronavirus on Social Media: Analyzing Misinformation in Twitter Conversations



Karishma Sharma , Sungyong Seo , Chuizheng Meng , Sirisha Rambhatla , Aastha Dua , Yan Liu


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NoiseRank: Unsupervised Label Noise Reduction with Dependence Models



Karishma Sharma , Pinar Donmez , Enming Luo , Yan Liu , I. Zeki Yalniz


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Combating Fake News: A Survey on Identification and Mitigation Techniques



Karishma Sharma , Feng Qian , He Jiang , Natali Ruchansky , Ming Zhang , Yan Liu

* ACM Transactions on Intelligent Systems and Technology, 2019 

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