55 citations · 67 across the 9 of their papers we have counts for
11 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…
Modeling Influence with Semantics in Social Networks: a Survey
Gerasimos Razis, Ioannis Anagnostopoulos, Sherali Zeadally
The discovery of influential entities in all kinds of networks (e.g. social, digital, or computer) has always been an important field of study. In recent years, Online Social Netwo…
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…
A Query Language for Multi-version Data Web Archives
Marios Meimaris, George Papastefanatos, Stratis Viglas +3
The Data Web refers to the vast and rapidly increasing quantity of scientific, corporate, government and crowd-sourced data published in the form of Linked Open Data, which encoura…
Network Analysis in the Legal Domain: A complex model for European Union legal sources
Marios Koniaris, Ioannis Anagnostopoulos, Yannis Vassiliou
Legislators, designers of legal information systems, as well as citizens face often problems due to the interdependence of the laws and the growing number of references needed to i…
Semantifying Twitter: the influenceTracker ontology
Gerasimos Razis, Ioannis Anagnostopoulos
In this paper, we propose an ontology schema towards semantification provision of Twitter social analytics. The ontology is deployed over a publicly available service that measures…
InfluenceTracker: Rating the impact of a Twitter account
Gerasimos Razis, Ioannis Anagnostopoulos
We describe a methodology of rating the influence of a Twitter ac-count in this famous microblogging service. We then evaluate it over real ac-counts, under the belief that influen…
Lifespan and propagation of information in On-line Social Networks a Case Study
Giannis Haralabopoulos, Ioannis Anagnostopoulos
Since 1950, information flows have been in the centre of scientific research. Up until internet penetration in the late 90s, these studies were based over traditional offline socia…
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…
A methodology for internal Web ethics
Michalis Vafopoulos, Petros Stefaneas, Ioannis Anagnostopoulos +1
The vigorous impact of the Web in time and space arises from the fact that it motivates massive creation, editing and distribution of information by Users with little knowledge. Th…