4 papers
Privacy-Aware Crowd Labelling for Machine Learning Tasks
Giannis Haralabopoulos, Ioannis Anagnostopoulos
The extensive use of online social media has highlighted the importance of privacy in the digital space. As more scientists analyse the data created in these platforms, privacy con…
Viral content propagation in Online Social Networks
Giannis Haralabopoulos, Ioannis Anagnostopoulos, Sherali Zeadally
Information flows are the result of a constant exchange in Online Social Networks (OSNs). OSN users create and share varying types of information in real-time throughout a day. Vir…
Discovering similar Twitter accounts using semantics
Gerasimos Razis, Ioannis Anagnostopoulos
On daily basis, millions of Twitter accounts post a vast number of tweets including numerous Twitter entities (mentions, replies, hashtags, photos, URLs). Many of these entities ar…
Real Time Enhanced Random Sampling of Online Social Networks
Giannis Haralabopoulos, Ioannis Anagnostopoulos
Social graphs can be easily extracted from Online Social Networks. However these networks are getting larger from day to day. Sampling methods used to evaluate graph information ca…