Progress on the development of a mathematical model and associated computer programs for use by the Illinois State Library in evaluation and planning of the interlibrary loan (ILL) network is summarized. Pertinent published literature on ILL networks is reviewed in terms of network structure, operations, satisfaction of requests, and costs. A flow…

The need for timely, accurate, and locally relevant career information has been escalating. Within the last 15 years, computer-based systems have been developed that put occupational descriptions, labor market information, plus education, training, and financial aid information into formats usable by students and adults in school and nonschool…