Stephen S. Fai

Within typical HCI activities, usability and usability testing focuses on determining how well people can use a system's functionality. A skilled usability professional employs research-based methods and principles to understand users' conceptual model of a task and then design an interface that...

The conservation, rehabilitation, and sustainability of existing structures and designated historic buildings is a crucially important issue, both in Canada and worldwide. However, heritage buildings are not the only issue. Even the most energy-efficient new building cannot offset its embodied...

Modern building automation systems collect and store vast amounts of data in temporal scales ranging from seconds to multiple years and spatial scales ranging from rooms to communities. But tools that facilitate management and visualization of these data are in their infancy. It has become...