Journal Articles

Understanding and Leveraging the Impact of Response Latency on User Behaviour in Web Search
X. Bai, I. Arapakis, B. Barla Cambazoglu, A. Freire
In ACM Transactions on Information Systems, 2017.
Full Article

Interest as a Proxy of Engagement in News Reading: Spectral and Entropy Analyses of EEG Activity Patterns
I. Arapakis, M. Barreda-Àngeles, and A. Pereda-Baños
In IEEE Transactions on Affective Computing, 2017.
Full Article

On the Feasibility of Predicting News Popularity at Cold Start
I. Arapakis, B. Barla Cambazoglu, and M. Lalmas
In Journal of the American Society for Information Science and Technology, 2016.
Full Article

Finding Social Points of Interest from Georeferenced and Oriented Online Photographs
B. Thomee, I. Arapakis, and D. A. Shamma
In ACM Transactions on Multimedia Computing, 12(2), 2016.
Full Article

User Engagement in Online News: Under the Scope of Sentiment, Interest, Affect, and Gaze
I. Arapakis, M. Lalmas, B. Barla Cambazoglu, M. C. Marcos, and J. M. Jose
In Journal of the American Society for Information Science and Technology, 65(10):1988-2005, 2014.
Full Article

Automatically Embedding Newsworthy Links to Articles: From Implementation to Evaluation
I. Arapakis, M. Lalmas, H. Ceylan, and P. Donmez
In Journal of the American Society for Information Science and Technology, 65(1):129-145, 2013.
Full Article

Theories, methods and current research on emotions in library and information science, information retrieval and human-computer interaction
I. Lopatovska, and I. Arapakis
In Information Processing & Management, 47(4):575- 592, 2011.
Full Article

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Conference Papers

The Role of Relevance in Sponsored Search
L. Aiello, I. Arapakis, R. Baeza-Yates, X. Bai, N. Barbieri, A. Mantrach, and F. Silvestri
In Proceedings of the 25th ACM International Conference on Information and Knowledge Management, 2016.
Full Paper

Linguistic Benchmarks of Online News Article Quality
I. Arapakis, F. Peleja, B. Barla Cambazoglu, and J. Magalhães
In Proceedings of the 54th Annual Meeting of the Association for Computational Linguistics, 2016.
Full Paper Public Dataset

Predicting User Engagement with Direct Displays in Web Search Using Mouse Cursor Features
I. Arapakis, and L. A. Leiva
In Proceedings of the 39th International ACM SIGIR Conference on Research and Development in Information Retrieval, 2016.
Full Paper

Know Your Onions: Understanding the User Experience with the Knowledge Module in Web Search
I. Arapakis, B. Barla Cambazoglu, and L. A. Leiva
In Proceedings of the 24th ACM International Conference on Information and Knowledge Management, pp. 1695-1698, 2015.
Short Paper

Effects of Snippets on User Experience in Web Search
M.-C. Marcos, F. Gavin, and I. Arapakis,
In Proceedings of the 16th International Conference on Human-Computer Interaction (Interacción), 2015.
Full Paper

Unconscious Physiological Effects of Search Latency on Users and Their Click Behaviour
M. Barreda-Àngeles, I. Arapakis, X. Bai, B. Barla Cambazoglu, and A. Pereda-Baños
In Proceedings of the 38th International ACM SIGIR Conference on Research and Development in Information Retrieval, pp. 203-212, 2015.
Full Paper

MULTISENSOR: Development of multimedia content integration technologies for journalism, media monitoring and international exporting decision support.
S. Vrochidis, I. Kompatsiaris, G. Casamayor, I. Arapakis, R. Busch, V. Alexiev, E. Jamin, M. Jugov, N. Heise, T. Forrellat, D. Liparas, L. Wanner, I. Miliaraki, V. Aleksic, K. Simov, A.-M. Soro, M. Eckhoff, T. Wagner, and M. Puigbo
In 2015 IEEE International Conference on Multimedia & Expo, 2015.
Full Paper

On the Feasibility of Predicting News Popularity at Cold Start
I. Arapakis, B. Barla Cambazoglu, and M. Lalmas
In Proceedings of the 6th International Conference on Social Informatics, pp. 290-299, 2014.
Short Paper

Impact of Response Latency on User Behavior in Web Search
I. Arapakis, X. Bai, and B. Barla Cambazoglu
In Proceedings of the 37th International ACM SIGIR Conference on Research and Development in Information Retrieval, pp. 103-112, 2014.
Full Paper

Understanding Within-Content Engagement through Pattern Analysis of Mouse Gestures
I. Arapakis, M. Lalmas, and G. Valkanas
In Proceedings of the 23rd International Conference on Information and Knowledge Management, pp. 1439-1448, 2014.
Full Paper

Automatically Embedding Newsworthy Links to Articles
H. Ceylan, I. Arapakis, P. Donmez, M. Lalmas
In Proceedings of the 21st ACM International Conference on Information and Knowledge Management, pp. 1502-1506, 2012.
Short Paper

A comparison of general vs personalised affective models for the prediction of topical relevance
I. Arapakis, K. Athanasakos, and J. M. Jose
In Proceeding of the 33rd International ACM SIGIR Conference on Research and Development in Information Retrieval, pp. 371-378, 2010.
Full Paper Best Paper Award

Using facial expressions and peripheral physiological signals as implicit indicators of topical relevance
I. Arapakis, I. Konstas, and J. M. Jose
In Proceedings of the Seventeen ACM International Conference on Multimedia, pp. 461- 470, 2009.
Full Paper

Modeling facial expressions and peripheral physiological signals to predict topical relevance
I. Arapakis, I. Konstas, J. M. Jose, and I. Kompatsiaris
In Proceedings of the 32nd International ACM SIGIR Conference on Research and Development in Information Retrieval, pp. 728-729, 2009.
Short Paper

Enriching user profiling with affective features for the improvement of a multimodal recommender system
I. Arapakis, Y. Moshfeghi, H. Joho, R. Ren, D. Hannah, and J. M. Jose
In Proceeding of the ACM International Conference on Image and Video Retrieval, pp. 1-8, 2009.
Full Paper

Integrating facial expressions into user profiling for the improvement of a multimodal recommender system
I. Arapakis, Y. Moshfeghi, H. Joho, R. Ren, D. Hannah, and J. M. Jose
In Proceedings of the 2009 IEEE International Conference on Multimedia and Expo, pp. 1440-1443, 2009.
Short Paper

Affective feedback: an investigation into the role of emotions in the information seeking process
I. Arapakis, J. M. Jose, and P. D. Gray
In Proceedings of the 31st Annual International ACM SIGIR Conference on Research and Development in Information Retrieval, pp. 395-402, 2008.
Full Paper

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Workshop Papers, Symposiums, Technical Reports, and Posters

Explanatory opinions: to whom or what is all the fuzz about?
F. Peleja, I. Arapakis, and J. Magalhães
In Proceedings of the 6th BCS-IRSG Symposium on Future Directions in Information Access, pp. 74-77, 2015.
Short Paper

On Human Information Processing in Information Retrieval (Position Paper)
A. Pereda-Baños, I. Arapakis, and M. Barreda-Àngeles
In Proceedings of the 2015 SIGIR Workshop on Neuro-Physiological Methods in IR, 2015.
Short Paper

A Controlled User Study on Human Perception of Web Search Latency
I. Arapakis, X. Bai, and B. Barla Cambazoglu
In TechPulse (Internal Yahoo conference), 2014.
Technical Report

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Thesis

Affect-Based Information Retrieval
Ph.D. in Computer Science, School of Computing Science, University of Glasgow
Supervisors: Prof. Joemon M. Jose, Dr. Phil Gray, Prof. C. J. Keith van Rijsbergen

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Seminars & Invited Talks

User Behaviour Modelling: Online and Offline Methods, Metrics, and Challenges
Keynote speaker at 1st International Workshop on System And User Centered Evaluation Approaches in Interactive Information Retrieval, CHIIR 2016
Chapel Hill, Carolina, USA, March 17, 2016.

User Behaviour Modelling: Online and Offline Methods, Metrics, and Challenges
Telefonica Research
Barcelona, Spain, January 21, 2016.

Conscious and Unconscious Effects of Search Latency on User Behavior in Web Search
Microsoft STC-E
Munich, Germany, June 17, 2015.

User Engagement in Web Search: Response Latency, Engagement Metrics, and Scalability
iConference 2015 Workshop
Newport Beach, California, US, March 24, 2015.

System and User Aspects of Web Search Latency
Universitat Pompeu Fabra, Department of Economics and Business
Barcelona, Spain, February 10, 2015.

A Controlled User Study on Human Perception of Web Search Latency
TechPulse 2014 (Internal Yahoo Conference)
Santa Clara, CA, US, December 9, 2014.

Impact of Response Latency on User Behavior in Web Search
Telefonica Research
Barcelona, Spain, October 20, 2014.

User Engagement in Online News: Under the Scope of Sentiment, Interest, Affect, and Gaze
Universitat Pompeu Fabra, IDEC
Barcelona, Spain, February 4, 2014.

The Face of Interest or the Face of Indifference? Predicting Topical Relevance Using Real-Time Facial Expression Analysis
Polytechnic University of Valencia
Valencia, Spain, February 1, 2013.

Predicting News Popularity in Online Communities
Yahoo Labs Winter Science Week
Sunnyvale, CA, US, March 7, 2013.

Affective Feedback: What do user emotions tell us about topical relevance?
Dublin City University
Dublin, Ireland, June 5, 2009.

Affective Feedback: An Investigation into the Role of Emotions in the Information Seeking Process
Centre for Research & Technology (ITI)
Thessaloniki, Greece, September 1, 2008.