activity
20162026
most citedGraph Neural Networks with Continual Learning for Fake News Detection from Social Media

78 citations · 173 across the 34 of their papers we have counts for

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13 papers · 1 filter

cs.SI2025

Large Language Model Driven Agents for Simulating Echo Chamber Formation

Chenhao Gu, Ling Luo, Zainab Razia Zaidi +1

The rise of echo chambers on social media platforms has heightened concerns about polarization and the reinforcement of existing beliefs. Traditional approaches for simulating echo…

cs.SI2024

Identifying Coordinated Activities on Online Social Networks Using Contrast Pattern Mining

Isura Manchanayaka, Zainab Zaidi, Shanika Karunasekera +1

The proliferation of misinformation and disinformation on social media networks has become increasingly concerning. With a significant portion of the population using social media…

cs.SI2024★ 1 cited

Using Causality to Infer Coordinated Attacks in Social Media

Isura Manchanayaka, Zainab Razia Zaidi, Shanika Karunasekera +1

The rise of social media has been accompanied by a dark side with the ease of creating fake accounts and disseminating misinformation through coordinated attacks. Existing methods…

cs.SI2023

To be a pro-vax or not, the COVID-19 vaccine conundrum on Twitter

Zainab Zaidi, Mengbin Ye, Shanika Karunasekera +1

The most surprising observation reported by the study in (arXiv:2208.13523), involving stance detection of COVID-19 vaccine related tweets during the first year of pandemic, is the…

cs.SI2023★ 4 cited

A Twitter narrative of the COVID-19 pandemic in Australia

Rabindra Lamsal, Maria Rodriguez Read, Shanika Karunasekera

Social media platforms contain abundant data that can provide comprehensive knowledge of historical and real-time events. During crisis events, the use of social media peaks, as pe…

cs.SI2023★ 8 cited

BillionCOV: An Enriched Billion-scale Collection of COVID-19 tweets for Efficient Hydration

Rabindra Lamsal, Maria Rodriguez Read, Shanika Karunasekera

The COVID-19 pandemic introduced new norms such as social distancing, face masks, quarantine, lockdowns, travel restrictions, work/study from home, and business closures, to name a…

cs.SI2022

Demystifying the COVID-19 vaccine discourse on Twitter

Zainab Zaidi, Mengbin Ye, Fergus John Samon +6

Developing an understanding of the public discourse on COVID-19 vaccination on social media is important not only for addressing the current COVID-19 pandemic, but also for future…

cs.SI2021★ 3 cited

Knowledge Enhanced Multi-modal Fake News Detection

Yi Han, Amila Silva, Ling Luo +2

Recent years have witnessed the significant damage caused by various types of fake news. Although considerable effort has been applied to address this issue and much progress has b…

cs.SI2021

Real-time Spatio-temporal Event Detection on Geotagged Social Media

Yasmeen George, Shanika Karunasekera, Aaron Harwood +1

A key challenge in mining social media data streams is to identify events which are actively discussed by a group of people in a specific local or global area. Such events are usef…

cs.SI2020★ 1 cited

Mining Influentials and their Bot Activities on Twitter Campaigns

Shanika Karunasekera, Kwan Hui Lim, Aaron Harwood

Twitter is increasingly used for political, advertising and marketing campaigns, where the main aim is to influence users to support specific causes, individuals or groups. We prop…

cs.SI2020★ 78 cited

Graph Neural Networks with Continual Learning for Fake News Detection from Social Media

Yi Han, Shanika Karunasekera, Christopher Leckie

Although significant effort has been applied to fact-checking, the prevalence of fake news over social media, which has profound impact on justice, public trust and our society, re…

cs.SI2020

Image Analysis Enhanced Event Detection from Geo-tagged Tweet Streams

Yi Han, Shanika Karunasekera, Christopher Leckie

Events detected from social media streams often include early signs of accidents, crimes or disasters. Therefore, they can be used by related parties for timely and efficient respo…

cs.SI2019★ 1 cited

Multi-spatial Scale Event Detection from Geo-tagged Tweet Streams via Power-law Verification

Yi Han, Shanika Karunasekera, Christopher Leckie +1

Compared with traditional news media, social media nowadays provides a richer and more timely source of news. We are interested in multi-spatial level event detection from geo-tagg…