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Hi, I’m Ioannis Arapakis, currently a Principal Research Scientist at Telefonica Research .
I hold a Ph.D. in Information Retrieval from the School of Computing Science of the University of Glasgow . My thesis addresses the offline and online modeling of user behaviour in the context of web search, and was supervised by Prof. Joemon M. Jose , Dr. Phil Gray , and Prof. C. J. Keith van Rijsbergen . I have also a M.Sc. degree in Information Technology (with specialisation in Interactive Systems Engineering) from the Royal Institute of Technology , under the supervision of Asst. Prof. Teresa Cerratto
During the last four years I have worked as a Research Scientist at Yahoo Labs , where I conducted research in the areas of Data Mining, IR, and HCI. Over this period, I was an active member of the (1) User Engagement, (2) Web Retrieval and (3) Ad Processing and Retrieval groups, lead several internal projects (see Section “Research”), and addressed research problems related to pattern recognition, predictive modeling, multimedia mining and search, social media analysis, and machine learning (see Section “P
Xin Xin's Homepage
Kleomenis Katevas