Four information retrieval packages that run on single user microcomputers--CAIRS, INMAGIC, Sci-Mate, SIRE--are examined based on following criteria: storage requirements; hardware requirements; search features (Boolean logic, comparison searching, set building, truncation, and wild card characters); system output; security; system maintenance…

Summarizes four options for libraries that want to offer end user searching: end user systems (Bibliographic Retrieval Service's Afterdark, DIALOG's Knowledge Index); front-end microcomputer software (Sci-Mate Searcher, Pro-Search, WILSEARCH); gateway services (EASYNET); and local databases (now available on floppy and compact discs). Advantages…