Discusses expected future developments in full text databases (FTDs) in three main areas: host-based menu-driven systems; menu and front end interfaces on gateway and mailbox services; and microcomputer or front end computer-based systems which already have good retrieval interactions and input output processing features. (24 references)…

An online library system is an example of a complex computer system in that it supports a variety of users, both patrons and staff, and is made up of many intricate programs with complex relationships among them. Certain features are essential to a user friendly system: (1) users cannot get lost in the system; (2) users cannot enter illegal…