Libraries are moving into an era that incorporates improvements of a library's existing databases, embraces the research results of the information-seeking process, and makes fundamental improvements by adding new databases such as WordFocus. These new systems should convert the frustrated user of today's online public access catalog (OPAC) into…

Describes the Online Public Access Catalog (OPAC) and the inclusion of abstracting and indexing industry databases in OPACs. Topics addressed include the implications of including abstracting and indexing tape and CD-ROM products in OPACs; the need for standards allowing library systems to communicate with dissimilar CD-ROM products; and computer,…

Presents detailed guidelines based on the literature for screen layout and design of online catalogs, and discusses the potential advantages in terms of number of transactions per hour and user satisfaction. Further research questions are suggested and an extensive bibliography is provided. (CLB)