• Publications
  • Influence
A Review of Mobile Location-based Games for Learning across Physical and Virtual Spaces
TLDR
A review of mobile location-based games for learning across physical and virtual spaces (forthcoming). Expand
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On the necessity of user-friendly CAPTCHA
TLDR
A "Completely Automated Public Turing test to tell Computers and Humans Apart" (CAPTCHA) is a mechanism widely used nowadays for protection of web applications, interfaces, and services from malicious users. Expand
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Inferring Relations Between Color and Emotional Dimensions of a Web Site Using Bayesian Networks
TLDR
In this paper, a novel methodology for selecting appropriate color scheme for a web site is presented. Expand
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Modellingspace: interaction design and architecture of a collaborative modelling environment
TLDR
This paper describes the architecture of the ModellingSpace open problem-solving environment. Expand
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EVALUATION OF CLASSIFIERS FOR AN UNEVEN CLASS DISTRIBUTION PROBLEM
TLDR
Classification problems with uneven class distributions present several difficulties during the training as well as during the evaluation process of classifiers. Expand
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Mystery in the museum: collaborative learning activities using handheld devices
TLDR
In this paper, we describe the experience of designing a collaborative learning activity for a traditional historical/cultural museum, based on a "Mystery in the Museum" story, involving collaboration of small groups of students through mobile handheld devices. Expand
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Modelling interaction during small-group synchronous problem-solving activities: The Synergo approach .
TLDR
Synergo, a new synchronous collaboration support environment that monitors the activity and permits visualization of various quantitative parameters, like density of interaction, symmetry of partners’ activity, degree of collaboration etc, particularly useful for understanding the mechanics of collaboration. Expand
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Debugging multi-agent systems
TLDR
Abstract Development of multi-agent systems is a complex process during which use of adequate development tools is essential. Expand
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Beyond logging of fingertip actions: analysis of collaborative learning using multiple sources of data
TLDR
In this article we discuss key requirements for collecting behavioural data concerning technology-supported collaborative learning activities. Expand
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On analysis of collaborative problem solving: an object-oriented approach
TLDR
Object-oriented Collaboration Analysis Framework (OCAF) is presented here, according to which the objects of the collaboratively developed solution become the center of attention and are studied as entities that carry their own history. Expand
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