Browsing Clique by Title

Now showing items 2-10 of 10

Deriving insights from national happiness indices

Brew, Anthony ; Greene, Derek ; Archambault, Daniel ; Cunningham, Pádraig (IEEE, 2011-12-11)

In online social media, individuals produce vast amounts of content which in effect "instruments" the world around us. Users on sites such as Twitter are publicly broadcasting status updates that provide an indication of ...
Detecting highly overlapping community structure by greedy clique expansion

Lee, Conrad ; McDaid, Aaron ; Reid, Fergal ; Hurley, Neil J. (2010-07-25)

In complex networks it is common for each node to belong to several communities, implying a highly overlapping community structure. Recent advances in benchmarking indicate that existing community assignment algorithms ...
Identifying representative textual sources in blog networks

Wade, Karen ; Greene, Derek ; Lee, Conrad ; Archambault, Daniel ; Cunningham, Pádraig (University College Dublin. School of Computer Science and Informatics, 2011-02)

We apply methods from social network analysis and visualization to facilitate a study of the Irish blogosphere from a cultural studies perspective. We focus on solving the practical issues that arise when the goal is to ...
Optimizing conflicting objectives in NMF using Pareto simulated annealing

Foley, Kevin ; Greene, Derek ; Cunningham, Pádraig (2010-08-30)

Non-Negative matrix factorization (NMF) has emerged as an important technique for simplifying high-dimension data into interpretable factors. NMF has the attractive characteristic that the factor matrices are naturally ...
Preferences in college applications - a nonparametric Bayesian analysis of top-10 rankings

Ali, Alnur ; Murphy, Thomas Brendan ; Meila, Marina ; Chen, Harr (2010-12-10)

Applicants to degree courses in Irish colleges and universities rank up to ten degree courses from a list of over ﬁve hundred. These data provide a wealth of information concerning applicant degree choices. A Dirichlet ...
Review of Statistical Network Analysis: Models, Algorithms, and Software

Salter-Townshend, Michael ; White, Arthur ; Gollini, Isabella ; Murphy, Thomas Brendan (Wiley-Blackwell, 2012-08)

The analysis of network data is an area that is rapidly growing, both within and outside of the discipline of statistics. This review provides a concise summary of methods and models used in the statistical analysis of ...
Sentiment analysis of online media

Salter-Townshend, Michael ; Murphy, Thomas Brendan (2012)

A joint model for annotation bias and document classification is presented in the context of media sentiment analysis. We consider an Irish online media data set comprising online news articles with user annotations of ...
SLiMSearch : a webserver for finding novel occurrences of short linear motifs in proteins, incorporating sequence context

Davey, Norman E. ; Haslam, Niall J. ; Shields, Denis C. ; Edwards, Richard J. (Springer, 2010)

Short, linear motifs (SLiMs) play a critical role in many biological processes. The SLiMSearch (Short, Linear Motif Search) webserver is a flexible tool that enables researchers to identify novel occurrences of pre- defined ...
Themecrowds : multiresolution summaries of Twitter usage

Archambault, Daniel ; Greene, Derek ; Cunningham, Pádraig ; Hurley, Neil J. (ACM, 2011-10-28)

Users of social media sites, such as Twitter, rapidly generate large volumes of text content on a daily basis. Visual summaries are needed to understand what groups of people are saying collectively in this unstructured ...