{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,1,6]],"date-time":"2026-01-06T13:24:01Z","timestamp":1767705841630,"version":"build-2065373602"},"reference-count":50,"publisher":"Wiley","issue":"4","license":[{"start":{"date-parts":[[2007,3,22]],"date-time":"2007-03-22T00:00:00Z","timestamp":1174521600000},"content-version":"vor","delay-in-days":10126,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["J. Am. Soc. Inf. Sci."],"published-print":{"date-parts":[[1979,7]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:p>The purpose of mathematical models is discussed and the phases of the modeling process are reviewed. These phases include: defining performance, representing the problem, predicting performance, estimating parameters, defining an optimization criterion, determining the optimal solution, and implementing the results. A selected review of models applied to library problems is presented. Models for book use, resource allocation, and library networks are considered.<\/jats:p>","DOI":"10.1002\/asi.4630300403","type":"journal-article","created":{"date-parts":[[2007,6,28]],"date-time":"2007-06-28T06:21:41Z","timestamp":1183011701000},"page":"181-192","source":"Crossref","is-referenced-by-count":4,"title":["Tutorial: Mathematical modeling of library systems"],"prefix":"10.1002","volume":"30","author":[{"given":"William B.","family":"Rouse","sequence":"first","affiliation":[]}],"member":"311","published-online":{"date-parts":[[2007,3,22]]},"reference":[{"volume-title":"Library Planning and Decision\u2010Making Systems","year":"1974","author":"Hamburg M.","key":"e_1_2_1_2_2"},{"key":"e_1_2_1_3_2","first-page":"295","volume-title":"Library Resource Sharing","author":"Rouse W. B.","year":"1977"},{"volume-title":"Quantitative Methods for Management","year":"1976","author":"Johnson R. 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