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On the correlation between topic and user behaviour in online communities
(ICWSM-16, 2016-05-20)
In the advancement of a better understanding of user behaviour on the Internet, clustering approaches are used as a means to group and categorise online communities. Although clustering approaches indicate similarity between ...
Semantic representation and enrichment of information retrieval experimental data
(Springer Berlin Heidelberg, 2016-05-28)
Experimental evaluation carried out in international large-scale campaigns is a fundamental pillar of the scientific and technological advancement of information retrieval (IR) systems. Such evaluation activities produce ...
Tell me who are your friends, and I’ll tell you who you are
(AICS 2016, 2016-09-20)
Mentions of politicians in news articles can reflect politician interactions on their daily activities. In this work, we present a mathematical model to represent such interactions as a graph, and we use it to predict the ...
Combining lexical and spatial knowledge to predict spatial relations between objects in images
(ACL Anthology, 2016-08-11)
Explicit representations of images are useful for linguistic applications related to images. We design a representation based on first-order models that capture the objects present in an image as well as their spatial ...
Semantic relation classification: task formalisation and refinement
(Association for Computational Linguistics, 2016-12-12)
The identification of semantic relations between terms within texts is a fundamental task in Natural Language Processing which can support applications requiring a lightweight semantic interpretation model. Currently, ...
A Twitter sentiment gold standard for the Brexit referendum
(CEUR Workshop Proceedings, 2016-09-12)
A Twitter Sentiment Gold Standard for the Brexit Referendum Manuela Hürlimann, Brian Davis Insight Centre for Data Analytics National University of Ireland Galway, Ireland {first.last}@insight-centre.org Keith Cortis, André ...
In or out? Real-time monitoring of BREXIT sentiment on Twitter
(CEUR Workshop Proceedings, 2016-09-12)
The SSIX (Social Sentiment analysis financial IndeXes) project is a European Innovation Project sponsored by the European Commission under the Horizon 2020 framework. SSIX aims to provide European SMEs with a collection ...
The role of negative results for choosing an evaluation approach - a recommender systems case study
(CEUR Workshop Proceedings, 2015-06-01)
We describe a case study, which shows how important negative results are in uncovering biased evaluation methodologies. Our re- search question is how to compare a recommender algorithm that uses an RDF graph to a ...
Dublin City University and Partners' participation in the INS and VTT Tracks at TRECVid 2016
(2016-11-14)
Dublin City University participated with a consortium of colleagues from NUI Galway and Universitat Polit`ecnica de Catalunya in two tasks in TRECVid 2016, Instance Search (INS) and Video to Text (VTT). For the INS task ...
XPLODIV: An exploitation-exploration aware diversification approach for Recommender Systems
(AAAI Press, 2015-07)
Recommender Systems (RS) have emerged to guide users in the task of efficiently browsing/exploring a large product space, helping users to quickly identify interesting products. However, suggestions generated with traditional ...