Recognizes a need for systematic standardized mechanisms to identify, locate, and describe Internet resources. Discusses the initiatives for organization of networked information resources, the development of subject search tools, and the need for global efforts to maintain a catalog and to review online information for currency. (JKP)

Discusses distributed information retrieval systems that take into account the weights of descriptors from thesauri. Topics addressed include a mathematical model for information retrieval subsystems; organization of inverted files; models for the distributed homogeneous information systems; a distributed information retrieval system based on…

Reports on a study of citation retrieval performance using three Internet-accessible databases and a database composed of six Wilson databases. Variables examined included citation frequency, percentage of unique periodicals cited per search, and relevancy of citations to stated search topic. The implications of the data for database selection are…