This Carnegie-Mellon University Libraries study compared the effectiveness of two methods of current awareness service: computerized updates and the distribution of the tables of contents of journals. In particular it compared the timeliness and availability of articles in-house with the greater coverage but longer time lag (and possible lower…

The historical and current status of information dissemination centers and the problem of user interface are reviewed. During the past decade, the problems of technical data processing have been conquered; information dissemination has evolved from a loosely knit group of experimental centers to an organization of established centers, many…