22 citations · 67 across the 7 of their papers we have counts for
8 papers
How Many Topics? Stability Analysis for Topic Models
Derek Greene, Derek O'Callaghan, Pádraig Cunningham
Topic modeling refers to the task of discovering the underlying thematic structure in a text corpus, where the output is commonly presented as a report of the top terms appearing i…
Online Social Media in the Syria Conflict: Encompassing the Extremes and the In-Betweens
Derek O'Callaghan, Nico Prucha, Derek Greene +3
The Syria conflict has been described as the most socially mediated in history, with online social media playing a particularly important role. At the same time, the ever-changing…
The Extreme Right Filter Bubble
Derek O'Callaghan, Derek Greene, Maura Conway +2
Due to its status as the most popular video sharing platform, YouTube plays an important role in the online strategy of extreme right groups, where it is often used to host associa…
Uncovering the Wider Structure of Extreme Right Communities Spanning Popular Online Networks
Derek O'Callaghan, Derek Greene, Maura Conway +2
Recent years have seen increased interest in the online presence of extreme right groups. Although originally composed of dedicated websites, the online extreme right milieu now sp…
Identifying Topical Twitter Communities via User List Aggregation
Derek Greene, Derek O'Callaghan, Pádraig Cunningham
A particular challenge in the area of social media analysis is how to find communities within a larger network of social interactions. Here a community may be a group of microblogg…
An Analysis of Interactions Within and Between Extreme Right Communities in Social Media
Derek O'Callaghan, Derek Greene, Maura Conway +2
Many extreme right groups have had an online presence for some time through the use of dedicated websites. This has been accompanied by increased activity in social media platforms…