We present an interactive tool for browsing course requisites as a case study of dependency visualization. This tool uses multiple interactive visualizations to allow the user to explore the dependencies between courses. A usability study revealed that the proposed browser provides significant advantages over traditional methods, in terms of…

Web sites are emerging as a key component of an organization's survival in our ever globalizing competitive world. Usability of a web site has assumed a great deal of importance in terms of satisfying web site users' needs and expectations. The aim of the study is to evaluate and to explore the usability level of Namik Kemal University (NKU)…

Searching for relevant information on the web is an important aspect of distance learning. This activity is a challenge for visually impaired distance learners. While sighted people have the ability to filter information in a fast and non sequential way, blind persons rely on tools that process the information in a sequential way. Learning is…