Discussion of cognitive psychology focuses on two types of cognitive tools--power tools and assimilatory tools--which are geared to information acquisition. The distinction between accommodation and assimilation is explained, implications for the design of intelligent computer-assisted instruction (ICAI) are suggested, and the question of learner…

Examines the relationship between information and democracy through a framework of six stereotyped assumptions regarding ontology and epistemology, i.e., dogma, naturalism, cultural relativity, constructivism, postmodernism, and communitarianism. Implications for the design and implementation of information systems are discussed. (Contains 93…

Explains the technologies of electronic imaging as background for other articles in this section, focusing on technologies seen by the developer or user of electronic imaging applications. Topics discussed include image acquisition, storage, retrieval, compression, transmission, display, manipulation, and printing; standards and architectural…

Arguing that relevance judgments are fundamental to the design and evaluation of all information retrieval systems, and that a consensus on the definition of the central concept of relevance has not been reached, this paper begins by critically reviewing four approaches to the problem of defining relevance: (1) the system-oriented approach…

Examines how users interact with text to devise a more effective information retrieval interface. Research in cognitive psychology and information science that relates to the use of metaphors and document categorization is reviewed, and an example of text organization and retrieval by historians is presented. (60 references) (LRW)

Argues for simplification in the use and development of bibliographic standards to increase usability by librarians and patrons and to reduce costs for libraries. The application of technology such as hypertext is also considered. (EA)