Presents model of algorithm design (activity in software development) based on analysis of protocols of two subjects designing three convex hull algorithms. Automation methods, methods for studying algorithm design, role of discovery in problem solving, and comparison of different designs of case study according to model are highlighted.…

This description of the design of an online library acquisition system highlights the use of database management systems in developing information retrieval systems, and software requirements for the hierarchical menu-driven operation. A conceptual view of the database is included. (LRW)

Library usage study of OCLC network-provided software and services indicates most users make local modifications to standard practices. Findings are discussed in terms of network models for decision making in software use; methodology of software user studies; and diffusion of innovation processes in postimplementation stages of transaction…

This paper reviews the progress made so far in the development and use of expert systems for library and information services in the areas of online information retrieval, including gateway software and intelligent front-ends; cataloging, including bibliographic utilities and machine-aided cataloging; abstracting; reference work; and indexing and…