Today's world demands an expansive search environment. The universe of information resources is immense and is growing rapidly. The content needed for research and scholarship is dispersed among publishers, aggregators, repositories, library catalogs, e-print servers, and servers throughout the Web. Users do not want to jump from one interface to…

Those who work in libraries focus much of their energies on providing access to information, and major changes seen in the last decade have shown the need to be flexible in the ways that librarians approach content delivery. Library users span all the generations of information distribution mechanisms. Some prefer to receive information in their…