While avoiding evaluation or specification of individual companies, computer time-sharing commercial contract agreements are analyzed. Price and non-price contract elements are analyzed according to 22 evaluation criteria: confidentiality measures assumed by the vendor; consultation services available; package programs and user routines; languages…

Two factor analysis algorithms, previously described by P. Horst, have been programed for use on the General Electric Time-Sharing Computer System. The first of these, Principal Components Analysis (PCA), uses the Basic Structure Successive Factor Method With Residual Matrices algorithm to obtain the principal component vectors of a correlation…

An instructor's manual prepared at a 1967 conference of the American Society of Information Science and designed for use in an introductory tutorial on EDP (Electronic Data Processing) concepts is presented. The manual covers a selection of topics appropriate to a general course for individuals with little or no direct experience. Following an…

The papers and discussions of the 1975 Pacific Region meeting of the Association for Computing Machinery are presented. Topics included (1) the current and emerging state of the art in data management software and hardware, (2) relational systems with particular attention to new developments in systems for relational data bases, (3) advances in…