[Invited talk] To be or not be engaged: What is the question (to ask)?

There will be an invited talk in the
Web Science and Big Data Analytics seminar series

Rm 6.12, Malet place engineering building, UCL

1pm 29th Nov 2013

Please find the abstract and bio of the speaker below.

To be or not be engaged: What is the question (to ask)?
Mounia Lalmas
Yahoo Labs London

In the online world, user engagement refers to the quality of the user experience that emphasizes the phenomena associated with wanting to use a web application longer and frequently. User engagement is a multifaceted, complex phenomenon, giving rise to a number of approaches for its measurement: self-reporting (e.g., questionnaires); observational methods (e.g., facial expression analysis, desktop actions); and web analytics using online behavior metrics. These methods represent various trade-offs between the scale of the data analyzed and the depth of understanding. For instance, surveys are hardly scalable but offer rich, qualitative insights, whereas click data can be collected on a large-scale but are more difficult to analyze. Still, the core research questions each type of measurement is able to answer are unclear. This talk will present various efforts aiming at combining approaches to measure engagement and seeking to provide insights into what questions to ask when measuring engagement.

Mounia Lalmas is a Principal Research Scientist at Yahoo Labs, which she joined in January 2011. Prior to this, she held a Microsoft Research/RAEng Research Chair at the School of Computing Science, University of Glasgow. Before that, she was Professor of Information Retrieval at the Department of Computer Science at Queen Mary, University of London, which she joined in 1999 as a lecturer (aka assistant professor). From 2002 until 2007, she co-led the Evaluation Initiative for XML Retrieval (INEX), a large-scale project with over 80 participating organizations worldwide, which was responsible for defining the nature of XML retrieval, and how it should be evaluated. Her current research focuses on three main areas: user engagement, social media and search.

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