46 citations · 52 across the 2 of their papers we have counts for
4 papers
Reviewing National Cybersecurity Awareness for Users and Executives in Africa
Maria Bada, Basie von Solms, Ioannis Agrafiotis
There is an unprecedented increase in cybercrime globally observed over the last years. One of the regions driving this increase is Africa, where significant financial losses are r…
A semi-supervised approach to message stance classification
Georgios Giasemidis, Nikolaos Kaplis, Ioannis Agrafiotis +1
Social media communications are becoming increasingly prevalent; some useful, some false, whether unwittingly or maliciously. An increasing number of rumours daily flood the social…
Nonsense Attacks on Google Assistant
Mary K. Bispham, Ioannis Agrafiotis, Michael Goldsmith
This paper presents a novel attack on voice-controlled digital assistants using nonsensical word sequences. We present the results of experimental work which demonstrates that it i…
Using semantic clustering to support situation awareness on Twitter: The case of World Views
Charlie Kingston, Jason R. C. Nurse, Ioannis Agrafiotis +1
In recent years, situation awareness has been recognised as a critical part of effective decision making, in particular for crisis management. One way to extract value and allow fo…