Heuristic evaluation of user interfaces
CHI '90 Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Cognitive walkthroughs: a method for theory-based evaluation of user interfaces
International Journal of Man-Machine Studies
The PEPA workbench: a tool to support a process algebra-based approach to performance modelling
Proceedings of the 7th international conference on Computer performance evaluation : modelling techniques and tools: modelling techniques and tools
A compositional approach to performance modelling
A compositional approach to performance modelling
PRISM: Probabilistic Symbolic Model Checker
TOOLS '02 Proceedings of the 12th International Conference on Computer Performance Evaluation, Modelling Techniques and Tools
Fluid Flow Approximation of PEPA models
QEST '05 Proceedings of the Second International Conference on the Quantitative Evaluation of Systems
Analyzing human-computer interaction as distributed cognition: the resources model
Human-Computer Interaction
Scalable analysis of collective behaviour in smart service systems
Proceedings of the 2010 ACM Symposium on Applied Computing
Don't just go with the flow: cautionary tales of fluid flow approximation
EPEW'12 Proceedings of the 9th European conference on Computer Performance Engineering
Don't just go with the flow: cautionary tales of fluid flow approximation
EPEW'12 Proceedings of the 9th European conference on Computer Performance Engineering
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Smart environments (e.g., airports, hospitals, stadiums, and other physical spaces using ubiquitous computing to empower many mobile people) provide novel challenges for usability engineers. Firstly, interaction can be implicit and therefore unintentional on the part of its users. Secondly, the impact of a smart environment can influence the collective or crowd behavior of those immersed within it. These challenges lead to requirements for complementary analyses which must be combined with the more typical focus on the interaction between user and device. The paper explores a family of stochastic models aimed at analyzing these features with a particular focus on crowd interaction.