How do you dynamically customize the programming language available in a context within an existing system, without changing the underlying system? This dissertation introduces a language design approach that addresses this problem. The basic idea is to structure programs as systems of multiple interacting levels of abstraction, where all of the…

This report discusses the growth of the National Information Infrastructure (NII), or the information superhighway, and its implications for people with disabilities. Advantages for people with disabilities include: increasing the ability of individuals with some types of disabilities to access and use information; decreasing personal isolation…

Explores obstacles to Internet usage, presents what is known about them, and considers strategies for avoiding or ameliorating their effects. Obstacles discussed include unrealistic expectations; lack of understanding of the effects of organizational culture on networking; lack of awareness of social effects of networking technologies; and lack of…

This paper synthesizes current thought about the role of networking technologies in instruction and addresses the need for higher education to create affordable and flexible student-centered "distributed learning environments" employing networking technologies. First, relevant trends are identified in the areas of information volume, technology…

In a time of fiscal belt tightening, many states will hesitate to launch new multimillion-dollar distance education network projects. Instead they will concentrate on regulatory initiatives to stimulate the development of affordable advanced universal service by the private sector. Discusses the limitations of state regulatory strategies in the…