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Aligning tweets with events: automation via semantics

Research output: Contribution to journalJournal article

<mark>Journal publication date</mark>2012
<mark>Journal</mark>International Journal on Semantic Web and Information Systems
Issue number2
Number of pages16
Pages (from-to)115-130
Early online date12/08/11
<mark>Original language</mark>English


Microblogging platforms, such as Twitter, now provide web users with an on-demand service to share and consume fragments of information. Such fragments often refer to real-world events (e.g., shows, conferences) and often refer to a particular event component (such as a particular talk), providing a bridge between the real and virtual worlds. The utility of tweets allows companies and organizations to quickly gauge feedback about their services, and provides event organizers with information describing how participants feel about their event. However, the scale of the Web, and the sheer number of Tweets which are published on an hourly basis, makes manually identifying event tweets difficult. In this paper we present an automated approach to align tweets with the events which they refer to. We aim to provide alignments on the sub-event level of granularity. We test two different machine learning-based techniques: proximity-based clustering and classification using Naive Bayes. We evaluate the performance of our approach using a dataset of tweets collected from the Extended Semantic Web Conference 2010. The best F0.2 scores obtained in our experiments for proximity-based clustering and Naive Bayes were 0.544 and 0.728 respectively.