O'Callaghan, Derek

1. How Many Topics? Stability Analysis for Topic Models
   2014/04/16 by Derek Greene, Greene, Derek, Derek O’Callaghan +4 · 8 citations
   Computer Science · Social Sciences · #Computation and Language (cs.CL) #Computational and Text Analysis Methods #Expert finding and Q&A systems #FOS: Computer and information sciences #Information Retrieval (cs.IR) #Machine Learning (cs.LG) #Topic Modeling #cs.CL #cs.IR #cs.LG
2. The Extreme Right Filter Bubble
   2013/08/28 by Derek O'Callaghan, Derek O’Callaghan, Derek Greene +8 · 2 citations
   Computer Science · Physics and Astronomy · Social Sciences · #Computational and Text Analysis Methods #Computers and Society (cs.CY) #FOS: Computer and information sciences #FOS: Physical sciences #H.3.3 #H.3.5 #Hate Speech and Cyberbullying Detection #Media Influence and Politics #Physics and Society (physics.soc-ph) #Social and Information Networks (cs.SI) #cs.CY #cs.SI #physics.soc-ph
3. An Analysis of Interactions Within and Between Extreme Right Communities in Social Media
   2012/06/29 by Derek O'Callaghan, Derek Greene, O'Callaghan, Derek +7 · 1 citation
   Computer Science · Physics and Astronomy · #Computers and Society (cs.CY) #FOS: Computer and information sciences #FOS: Physical sciences #Physics and Society (physics.soc-ph) #Social and Information Networks (cs.SI) #cs.CY #cs.SI #physics.soc-ph