Reports on major change in computer software development process--the prototype model, i.e., implementation of skeletal system that is enhanced during interaction with users. Expensive and unreliable software, software design errors, traditional development approach, resources required for prototyping, success stories, and systems designer's role…

Discusses the need for standards allowing computer-to-computer communication and gives examples of technical issues. The seven-layer framework of the Open Systems Interconnection (OSI) Reference Model is explained and illustrated. Sidebars feature public data networks and Recommendation X.25, OSI standards, OSI layer functions, and a glossary.…

Seven articles discuss aspects of transaction log analysis, including introduction and definitions; history and development; components of an ideal logging facility; research methodologies; applications to a variety of library functions; practical and logical limits of the methodology; and future developments needed to enhance successful use of…

Presents a conceptual and organizational model for systematic selection of electronic publications that was developed at Cornell University's (New York) Mann Library. Described are the concept of information genres, the role of genre specialists, and a selection review board. The model is a method of mainstreaming electronic publications into the…

Summarizes the historical trend of distributing computer power within universities, and describes a model for an information technology environment for higher education. Based on a broad distribution of information and computing power, this model allows users to share information using micro- and minicomputers. (CLB)

Presents a model approach to data services in academic research libraries through the Machine Readable Data Center, an information center established at the University of Minnesota to facilitate end-user access to government data files such as the Census. Organizational issues, service issues, and collections issues are addressed; and future plans…