This article reviews selected effects of new develop ments In Information technology on the Third World, and suggests that the more positive effects lie in the social and cultural realms. It Is generally conceded that the eco nomic impact of information technology favors industrialized countries rather than those with labor Intensive industries and high unemployment. A number of social and cultural impacts of lnformatlon technology are dlscussed, and the effect of changing technology on national informatic policies is Illustrated. While national development of informatic industries in the Third World is essential and beneficial, the "postindustrial society" does not appear to be a realistic alternate goal of socioeconomic development.
A function was developed for the optimum distribution of indexing terms by the number of postings. This makes it possible to transmit information with maximum efficiency. The comparison of the actual distribution information transmission channel.of the term groups with the calculated optimum distribution provides an objective measure for evaluating any indexing system with respect to its efFiciency as
Classification schedules, alphabetical vocabularies, and concept‐association lists are analyzed from the viewpoint of their utility in coordinate indexing as aids which prescribe invariable relationships and suggest variable relationships between indexing terms. Lookup and feedback tools are considered in relation to the consistency of indexers.
scite is a Brooklyn-based organization that helps researchers better discover and understand research articles through Smart Citations–citations that display the context of the citation and describe whether the article provides supporting or contrasting evidence. scite is used by students and researchers from around the world and is funded in part by the National Science Foundation and the National Institute on Drug Abuse of the National Institutes of Health.