Number of co-authors:7
Number of publications with 3 favourite co-authors:Effie Lai-Chong Law:2Robert J. K. Jacob:2Chee Siang Ang:1
Georgios Christou's 3 most productive colleagues in number of publications:Robert J. K. Jacob:57Effie Lai-Chong La..:30Panayiotis Zaphiri..:29
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Publications by Georgios Christou (bibliography)
Christou, Georgios (2012): Exploring player perceptions that contribute to the appeal of World of Warcraft. In: Proceedings of the 4th International Conference Fun and Games 2012. pp. 105-108.
In this paper we examine the factors that contribute to the general appeal of World of Warcraft through the use of the AttrakDiff questionnaire. AttrakDiff is a questionnaire that measures the users' perceptions in four categories: Pragmatic Quality, Hedonic Identification, Hedonic Stimulation and General Appeal. 40 players and non-players of World of Warcraft were requested to have a brief play session on the game, and then answer the AttrakDiff questionnaire. After correlation analysis we found that usability and appeal are intimately related attributes for the game of World of Warcraft.
© All rights reserved Christou and/or ACM Press
Christou, Georgios, Zaphiris, Panayiotis, Ang, Chee Siang and Law, Effie Lai-Chong (2011): Designing for the user experience of sociability in massively multiplayer online games. In: Proceedings of ACM CHI 2011 Conference on Human Factors in Computing Systems 2011. pp. 879-882.
The emergence of MMOGs has led to new ways of socializing with friends. Nowadays a good online game is also associated with the pleasure of socializing and interacting with other players. One cannot play a game solitarily in a meaningful sense without interacting with the other players. However, there are still no integrated ways of designing and evaluating the inherent sociability of MMOGs, nor are there methods or guidelines for evaluating social user experiences. Designers of MMOGs are often left to use their intuition and experience, many times leading to design failures. This SIG aims to further the understanding of the challenges relating to the design of the social interactions that users experience, and the way these manifest and are supported in Massively Multi-player Online Games (MMOGs). The goal is to examine the ways that sociability manifests in MMOGs and the way that design affects these manifestations.
© All rights reserved Christou et al. and/or their publisher
Christou, Georgios, Law, Effie Lai-Chong, Green, William and Hornbaek, Kasper (2009): Challenges in evaluating usability and user experience of reality-based interaction. In: Proceedings of ACM CHI 2009 Conference on Human Factors in Computing Systems 2009. pp. 4811-4814.
This workshop aims to further the understanding of the challenges relating to the evaluation methods of usability and user experience that are specific to Reality-Based Interaction (RBI), and to identify effective practical responses to these challenges. The emergence of Post-WIMP interfaces has led to new ways of interacting with technologies. However, there are still no integrated ways of evaluating the usability and user experience of these interfaces. Developers and designers are left to discover their own metrics and evaluation methods. This approach presents problems, in that the metrics used in each case may provide results that are neither valid nor meaningful. For this reason, the time is ripe to integrate the methods that have been developed for evaluating interfaces that belong to the RBI umbrella. The measures and techniques will then be turned into a framework that enables designers of RBI interfaces to select appropriately existing methods and tools to evaluate systematically the usability and user experience of their prototypes and products. Reusing and adapting validated evaluation approaches can not only avoid reinventing the wheel and wasting time but also further improve and consolidate these approaches. Such a framework will also provide a basis for comparison between designs of RBI interfaces in different application contexts.
© All rights reserved Christou et al. and/or ACM Press
Christou, Georgios, Jacob, Robert J. K. and Cheng, Pericles Leng (2006): Modeling the Task - Leveraging Knowledge-in-the-Head at Design Time. In: Manolopoulos, Yannis, Filipe, Joaquim, Constantopoulos, Panos and Cordeiro, Josť (eds.) ICEIS 2006 - Proceedings of the Eighth International Conference on Enterprise Information Systems Databases and Information Systems Integration May 23-27, 2006, Paphos, Cyprus. pp. 131-134.
Christou, Georgios and Jacob, Robert J. K. (2003): Evaluating and Comparing Interaction Styles. In: Jorge, Joaquim A., Nunes, Nuno Jardim and Cunha, Joao Falcao e (eds.) DSV-IS 2003 - Interactive Systems. Design, Specification, and Verification, 10th International Workshop June 11-13, 2003, Funchal, Madeira Island, Portugal. pp. 406-409.
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