Argues for a definition of information based on the facts and data contained within scientific documents, and which are consistent with their conceptual interrelationships. The scope and limitations of the definition are discussed, and analyses of the information content of a scientific paper and an abstract are appended. References are provided.…

Discusses the need for knowledge gateway systems to provide access to scattered information and the use of technologies in gateway building, including artificial intelligence and expert systems, networking, online retrieval systems, optical storage, and natural language processing. The status of four existing gateways is described. (20 references)…