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The number of different time series that the system must model and predict is on the order of 10<jats:sup>5<\/jats:sup>. The study details the system's forecasting algorithm which efficiently handles several difficult requirements including the prediction of multiple time series, the need for a continuously self\u2010updating model, and the desire to automatically identify and analyze various time series characteristics such as seasonal spikes and unprecedented events.<\/jats:p><\/jats:sec><jats:sec><jats:title content-type=\"abstract-heading\">Design\/methodology\/approach<\/jats:title><jats:p>The forecasting algorithm makes use of a hybrid model consisting of both statistical and heuristic techniques to fulfill these requirements and to satisfy a variety of business constraints\/rules related to over\u2010 and under\u2010stocking.<\/jats:p><\/jats:sec><jats:sec><jats:title content-type=\"abstract-heading\">Findings<\/jats:title><jats:p>The robustness of the system has been proven by its heavy and sustained use since being adopted in November 2009 by a company that serves 91 percent of the combined populations of Australia and New Zealand.<\/jats:p><\/jats:sec><jats:sec><jats:title content-type=\"abstract-heading\">Originality\/value<\/jats:title><jats:p>This paper provides a case study of a real\u2010world system that employs a novel hybrid model to forecast multiple time series in a non\u2010static environment. The value of the model lies in its ability to accurately capture and forecast a very large and constantly changing portfolio of time series efficiently and without human intervention.<\/jats:p><\/jats:sec>","DOI":"10.1108\/17563781111159996","type":"journal-article","created":{"date-parts":[[2011,8,27]],"date-time":"2011-08-27T07:06:02Z","timestamp":1314428762000},"page":"284-310","source":"Crossref","is-referenced-by-count":20,"title":["Intelligent techniques for forecasting multiple time series in real\u2010world systems"],"prefix":"10.1108","volume":"4","author":[{"given":"Neal","family":"Wagner","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Zbigniew","family":"Michalewicz","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Sven","family":"Schellenberg","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Constantin","family":"Chiriac","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Arvind","family":"Mohais","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"140","reference":[{"key":"key2022031720265132000_b1","doi-asserted-by":"crossref","unstructured":"Akgiray, V. 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