PubMed® is an on-line literature database hosted by the U.S. National Library of Medicine. Containing over 21 million citations for biomedical literature--both abstracts and full text--in the areas of the life sciences, behavioral studies, chemistry, and bioengineering, PubMed® represents an important tool for researchers. PubMed® searches return…

An unprecedented amount of information encompassing almost every facet of human activities across the world is generated daily in the form of zeros and ones, and that is often the only form in which such information is recorded. A good fraction of this information needs to be preserved for periods of time ranging from a few years to centuries.…

Discusses how hypermedia interfaces can use graphic design and language to help users of hypermedia programs to structure a cognitive approach to information retrieval. Argues that such interfaces should acknowledge the medium's limits, identify authorship levels, define a program model, provide overviews, and narrow the navigation functions. (SR)