Geographic information systems (GIS) are computer-based tools for geographic data analysis and spatial visualization. They have become one of the information and communications technologies for education at all levels. This article reviews the current status of GIS in schools, analyzes the requirements of a GIS-based learning environment from…

Because the complex link and node structure awaiting users can lead them into becoming lost in hyperspace and cause them cognitive overload, navigating the hypertext system is often not an easy task, especially for novices. They may have difficulty perceiving a structure of an entire system, locating specific information, or using a navigational…

This article draws on two projects funded by the Andrew W. Mellon Foundation concerning the ways colleges and universities can support the legitimate sharing of digital learning resources for scholarly use. The 2001-03 Visual Image User Study (VIUS) assessed the scholarly needs of digital image users-faculty, staff, and students. That study led to…

Most large enterprises now have some type of portal to organize their internal information services. Few, however, have the long history of the SPIKE project at the University of Pennsylvania's Wharton School. Originally developed during the 1994-1995 school year, SPIKE was an intranet information portal before the term "information…