Surveys the field and literature of geographic information systems (GIS) and spatial data representation as it relates to GIS. Highlights include GIS terms, data types, and operations; vector representations and raster, or grid, representations; spatial indexing; elevation data representations; large spatial databases; and problem areas and future…

Reviews definitions and the scope, history, technological capabilities, and other significant issues of electronic publishing. Advantages and disadvantages of electronic publishing are compared to those of traditional publishing, and possible future impacts of electronic publishing on books and libraries are considered. (CDD)

The EUDISED (European Documentation and Information System for Education) database is described in this document and proposals are made for extending the database to cover areas in addition to educational research projects. Mention is made of educational periodicals, audiovisual teaching aids, educational software, the periodical…

Six dimensions of computer literacy for social studies educators to address are discussed. In preparing social studies teachers for the 21st century, educators need to determine which aspects of computer literacy are essential to incorporate into teacher education. First, teachers must have knowledge of the basic sources of information, such as…