Publication statistics

Pub. period:2001-2009
Pub. count:5
Number of co-authors:2


Number of publications with 3 favourite co-authors:

Dennis Maciuszek:
Nahid Shahmehri:



Productive colleagues

Johan Aberg's 3 most productive colleagues in number of publications:

Nahid Shahmehri:10
Dennis Maciuszek:2

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Johan Aberg


Publications by Johan Aberg (bibliography)

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Aberg, Johan (2009): An evaluation of a meal planning system: ease of use and perceived usefulness. In: Proceedings of the HCI09 Conference on People and Computers XXIII 2009. pp. 278-287.

Unhealthy eating is an increasingly important problem in the western society. Our approach to this problem is to provide a meal planning system giving recommendations of suitable food recipes, taking important factors such as nutrient content, cost, variation, etc into account. A user controls how the system takes these factors into account through settings after which the system creates an optimal meal plan. The user can then iteratively refine the settings until a satisfactory meal plan is produced. The system is evaluated empirically in terms of ease of use and perceived usefulness, factors crucial for eventual user acceptance. The results are positive, and several interesting possibilities for future system improvements are discussed.

© All rights reserved Aberg and/or his/her publisher

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Maciuszek, Dennis, Aberg, Johan and Shahmehri, Nahid (2005): What help do older people need?: constructing a functional design space of electronic assistive technology applications. In: Seventh Annual ACM Conference on Assistive Technologies 2005. pp. 4-11.

In times of ageing populations and shrinking care resources, electronic assistive technology (EAT) has the potential of contributing to guaranteeing frail older people a continued high quality of life. This paper provides users and designers of EAT with an instrument for choosing and producing relevant and useful EAT applications in the form of a functional design space. We present the field study that led to the design space, and give advice on using the tool.

© All rights reserved Maciuszek et al. and/or ACM Press

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Aberg, Johan and Shahmehri, Nahid (2001): An Empirical Study of Human Web Assistants: Implications for User Support in Web Information Systems. In: Beaudouin-Lafon, Michel and Jacob, Robert J. K. (eds.) Proceedings of the ACM CHI 2001 Human Factors in Computing Systems Conference March 31 - April 5, 2001, Seattle, Washington, USA. pp. 404-411.

User support is an important element in reaching the goal of universal usability for Web information systems. Recent developments indicate that human involvement in user support is a step towards this goal. However, most such efforts are currently being pursued on a purely intuitive basis. This, empirical findings about the role of human assistants are important. In this paper we present the findings from a field study of a general user support model for Web information systems. We show that integrating human assistance into Web systems is a way to provide efficient user support. Further, this integration makes a Web site more fun to use and increases the user's trust in the site. The support also improves the site atmosphere. Our findings are summarised as recommendations and design guidelines for decision-makers and developers Web systems.

© All rights reserved Aberg and Shahmehri and/or ACM Press

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Aberg, Johan and Shahmehri, Nahid (2001): User Modelling as an Aid for Human Web Assistants. In: Bauer, Mathias, Gmytrasiewicz, Piotr J. and Vassileva, Julita (eds.) User Modeling 2001 - 8th International Conference - UM 2001 July 13-17, 2001, Sonthofen, Germany. pp. 201-203.

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Aberg, Johan and Shahmehri, Nahid (2001): Collection and Exploitation of Expert Knowledge in Web Assistant Systems. In: HICSS 2001 2001. .

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