Ioannis Arapakis

PhD, University of Glasgow

Ioannis Arapakis is a Research Scientist at Telefónica Research, working on Information Retrieval, User Behaviour Modelling and Data Mining. Ioannis received his M.Sc. degree in Information Technology from the Royal Institute of Technology (KTH), Sweden. He then pursued a Ph.D. degree at the SoCS of the University of Glasgow, in the area of Information Retrieval. Between 2011-2015, he worked as a Researcher at Yahoo Labs and was a member of the “User Engagement”, “Web Retrieval”, and “Ad Processing and Retrieval” groups, where he addressed research problems related to pattern recognition, predictive modelling, multimedia mining and search, social media analysis, and machine learning. He has several publications in top-tier venues and journals, including a SIGIR best paper award, and he is a regular PC member of conference venues such as SIGIR, ECIR, CIKM, and WWW.

Teaching in BSE:


Research interests

Information Retrieval
Machine Learning
Data Mining


My work

Ioannis Arapakis, Ilias Leontiadis

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