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Sentiment analysis and real-time microblog search
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Bermingham, Adam. - : Dublin City University. School of Computing, 2012. : Dublin City University. CLARITY: The Centre for Sensor Web Technologies, 2012
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In: Bermingham, Adam (2012) Sentiment analysis and real-time microblog search. PhD thesis, Dublin City University. (2012)
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An evaluation of the role of sentiment in second screen microblog search tasks
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In: Bermingham, Adam and Smeaton, Alan F. orcid:0000-0003-1028-8389 (2012) An evaluation of the role of sentiment in second screen microblog search tasks. In: 6th International AAAI Conference on Weblogs and Social Media (ICWSM12), 4 Jun 2012, Dublin, Ireland. (2012)
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On using Twitter to monitor political sentiment and predict election results
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In: Bermingham, Adam and Smeaton, Alan F. orcid:0000-0003-1028-8389 (2011) On using Twitter to monitor political sentiment and predict election results. In: Sentiment Analysis where AI meets Psychology (SAAIP) Workshop at the International Joint Conference for Natural Language Processing (IJCNLP), 13th November 2011, Chiang Mai, Thailand. (2011)
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Crowdsourced real-world sensing: sentiment analysis and the real-time web
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In: Bermingham, Adam and Smeaton, Alan F. orcid:0000-0003-1028-8389 (2010) Crowdsourced real-world sensing: sentiment analysis and the real-time web. In: AICS 2010 - Sentiment Analysis Workshop at Artificial Intelligence and Cognitive Science, 30 August - 1 September 2010, Galway, Ireland. (2010)
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Classifying sentiment in microblogs: is brevity an advantage?
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In: Bermingham, Adam and Smeaton, Alan F. orcid:0000-0003-1028-8389 (2010) Classifying sentiment in microblogs: is brevity an advantage? In: CIKM 2010 - 19th International Conference on Information and Knowledge Management, 26-30 October 2010, Toronto, Canada. ISBN 978-1-4503-0099-5 (2010)
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Topic-dependent sentiment analysis of financial blogs
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In: O'Hare, Neil, Davy, Michael, Bermingham, Adam, Ferguson, Paul, Sheridan, Páraic, Gurrin, Cathal orcid:0000-0003-4395-7702 and Smeaton, Alan F. orcid:0000-0003-1028-8389 (2009) Topic-dependent sentiment analysis of financial blogs. In: TSA 2009 - 1st International CIKM Workshop on Topic-Sentiment Analysis for Mass Opinion Measurement, 6 November 2009, Hong Kong, China. ISBN 978-1-60558-805-6 (2009)
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Abstract:
While most work in sentiment analysis in the financial domain has focused on the use of content from traditional finance news, in this work we concentrate on more subjective sources of information, blogs. We aim to automatically determine the sentiment of financial bloggers towards companies and their stocks. To do this we develop a corpus of financial blogs, annotated with polarity of sentiment with respect to a number of companies. We conduct an analysis of the annotated corpus, from which we show there is a significant level of topic shift within this collection, and also illustrate the difficulty that human annotators have when annotating certain sentiment categories. To deal with the problem of topic shift within blog articles, we propose text extraction techniques to create topic-specific sub-documents, which we use to train a sentiment classifier. We show that such approaches provide a substantial improvement over full documentclassification and that word-based approaches perform better than sentence-based or paragraph-based approaches.
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Keyword:
financial blogs; Information storage and retrieval systems; Machine learning; opinion mining; sentiment analysis
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URL: http://doras.dcu.ie/14830/
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A study of inter-annotator agreement for opinion retrieval
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In: Bermingham, Adam and Smeaton, Alan F. (2009) A study of inter-annotator agreement for opinion retrieval. In: SIGIR 2009 - The 32nd Annual ACM SIGIR Conference, 20-22 July 2009, Boston, USA. ISBN 978-1-60558-483-6 (2009)
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DCU at the TREC 2008 Blog Track
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In: Bermingham, Adam, Smeaton, Alan F. orcid:0000-0003-1028-8389 , Foster, Jennifer orcid:0000-0002-7789-4853 and Hogan, Deirdre (2008) DCU at the TREC 2008 Blog Track. In: TREC 2008 - Text REtrieval Conference, Gaithersburg, MD. (2008)
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