{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,4,16]],"date-time":"2026-04-16T11:48:52Z","timestamp":1776340132399,"version":"3.51.2"},"reference-count":18,"publisher":"Springer Science and Business Media LLC","issue":"3","license":[{"start":{"date-parts":[[2007,5,1]],"date-time":"2007-05-01T00:00:00Z","timestamp":1177977600000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/www.springer.com\/tdm"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["J Comput Sci Technol"],"published-print":{"date-parts":[[2007,5]]},"DOI":"10.1007\/s11390-007-9043-5","type":"journal-article","created":{"date-parts":[[2007,5,31]],"date-time":"2007-05-31T01:29:01Z","timestamp":1180574941000},"page":"371-378","source":"Crossref","is-referenced-by-count":23,"title":["Software Project Effort Estimation Based on Multiple Parametric Models Generated Through Data Clustering"],"prefix":"10.1007","volume":"22","author":[{"given":"Juan J. Cuadrado","family":"Gallego","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Daniel","family":"Rodr\u00edguez","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Miguel \u00c1ngel","family":"Sicilia","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Miguel Garre","family":"Rubio","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Angel Garc\u00eda","family":"Crespo","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"297","published-online":{"date-parts":[[2007,5,30]]},"reference":[{"key":"9043_CR1","unstructured":"Boehm B, Abts C, Chulani S. Software development cost estimation approaches \u2014 A survey. USC Center for Software Engineering Technical Report USC-CSE-2000-505, 2000."},{"key":"9043_CR2","unstructured":"Parametric Estimating Initiative. Parametric Estimating Handbook, 2nd Edition, 1999."},{"key":"9043_CR3","doi-asserted-by":"crossref","unstructured":"Stensrud E, Foss T, Kitchenham B, Myrtveit I. An empirical validation of the relationship between the magnitude of relative error and project size. In Proc. the Eighth IEEE Symp. Software Metrics, Ottawa, Canada, 2002, pp.3\u201312.","DOI":"10.1109\/METRIC.2002.1011320"},{"issue":"3","key":"9043_CR4","doi-asserted-by":"crossref","first-page":"351","DOI":"10.1016\/j.jss.2005.04.040","volume":"79","author":"J J Cuadrado-Gallego","year":"2006","unstructured":"Cuadrado-Gallego J J, Sicilia M A, Garre M et al. An empirical study of process-related attributes in segmented software cost-estimation relationships. Journal of Systems and Software, 2006, 79(3): 351\u2013361.","journal-title":"Journal of Systems and Software"},{"key":"9043_CR5","doi-asserted-by":"crossref","unstructured":"Shepperd M, Schofield C, Kitchenham B. Effort estimation using analogy. In Proc. 8th Int. Conf. Software Engineering, IEEE Computer Society Press, Berlin, 1996, pp.170\u2013178.","DOI":"10.1109\/ICSE.1996.493413"},{"issue":"1","key":"9043_CR6","doi-asserted-by":"crossref","first-page":"141","DOI":"10.1016\/j.fss.2003.10.008","volume":"145","author":"Z Xu","year":"2004","unstructured":"Xu Z, Khoshgoftaar T. Identification of fuzzy models of software cost estimation. Fuzzy Sets and Systems, 2004, 145(1): 141\u2013163.","journal-title":"Fuzzy Sets and Systems"},{"issue":"3","key":"9043_CR7","doi-asserted-by":"crossref","first-page":"277","DOI":"10.1016\/j.jss.2004.06.018","volume":"76","author":"W Pedrycz","year":"2002","unstructured":"Pedrycz W, Succi G. Genetic granular classifiers in modeling software quality. The Journal of Systems and Software, 2002, 76(3): 277\u2013285.","journal-title":"The Journal of Systems and Software"},{"issue":"1","key":"9043_CR8","doi-asserted-by":"crossref","first-page":"81","DOI":"10.1016\/j.fss.2003.10.006","volume":"145","author":"S Dick","year":"2004","unstructured":"Dick S, Meeks A, Last M et al. Data mining in software metrics databases. Fuzzy Sets and Systems, 2004, 145(1): 81\u2013110.","journal-title":"Fuzzy Sets and Systems"},{"issue":"2","key":"9043_CR9","doi-asserted-by":"crossref","first-page":"227","DOI":"10.1016\/S0164-1212(03)00234-6","volume":"73","author":"C H Lung","year":"2004","unstructured":"Lung C H, Zaman M, Nandi A. Applications of clustering techniques to software partitioning, recovery and restructuring. Journal of Systems and Software, 2004, 73(2): 227\u2013244.","journal-title":"Journal of Systems and Software"},{"issue":"1","key":"9043_CR10","doi-asserted-by":"crossref","first-page":"61","DOI":"10.1016\/S0950-5849(00)00137-3","volume":"43","author":"J Dolado","year":"2001","unstructured":"Dolado J. On the problem of the software cost function. Information and Software Technology, 2001, 43(1): 61\u201372.","journal-title":"Information and Software Technology"},{"issue":"11","key":"9043_CR11","doi-asserted-by":"crossref","first-page":"736","DOI":"10.1109\/32.637387","volume":"23","author":"M Shepperd","year":"1997","unstructured":"Shepperd M, Schofield C. Estimating software project effort using analogies. IEEE Trans. Software Engineering, 1997, 23(11): 736\u2013743.","journal-title":"IEEE Trans. Software Engineering"},{"key":"9043_CR12","unstructured":"Oligny S, Bourque P, Abran A, Fournier B. Exploring the relation between effort and duration in software engineering project. In Proc. World Computer Congress, Beijing, China, August 21\u201325, 2000, pp.175\u2013178."},{"key":"9043_CR13","doi-asserted-by":"crossref","first-page":"431","DOI":"10.1137\/0111030","volume":"11","author":"W Marquardt","year":"1963","unstructured":"Marquardt W. An algorithm for least squares estimation of non-linear parameters. J. Soc. Indust. Appl. Math., 1963, 11: 431\u2013441.","journal-title":"J. Soc. Indust. Appl. Math."},{"key":"9043_CR14","volume-title":"Software Engineering Metrics and Models","author":"S D Conte","year":"1986","unstructured":"Conte S D, Dunsmore H E, Shen V Y. Software Engineering Metrics and Models. Menlo Park: Benjamin\/Cummings, CA, 1986."},{"key":"9043_CR15","doi-asserted-by":"crossref","unstructured":"Kohavi R, John G. Automatic parameter selection by minimizing estimated error. In Proc. 12th Int. Conf. Machine Learning, San Francisco, 1995, pp.304\u2013312.","DOI":"10.1016\/B978-1-55860-377-6.50045-1"},{"key":"9043_CR16","volume-title":"Data Mining, Practical Machine Learning Tools and Techniques with Java Implementations","author":"I H Witten","year":"2005","unstructured":"Witten I H, Frank E. Data Mining, Practical Machine Learning Tools and Techniques with Java Implementations. San Francisco: Morgan Kaufmann Publishers, USA, 2005."},{"key":"9043_CR17","unstructured":"NESMA. NESMA FPA counting practices manual (CPM 2.0), 1996."},{"key":"9043_CR18","volume-title":"Function Point Analysis","author":"J B Dreger","year":"1989","unstructured":"Dreger J B. Function Point Analysis. Englewood Cliffs, NJ: Prentice Hall, 1989."}],"container-title":["Journal of Computer Science and Technology"],"original-title":[],"language":"en","link":[{"URL":"http:\/\/link.springer.com\/content\/pdf\/10.1007\/s11390-007-9043-5.pdf","content-type":"application\/pdf","content-version":"vor","intended-application":"text-mining"},{"URL":"http:\/\/link.springer.com\/article\/10.1007\/s11390-007-9043-5\/fulltext.html","content-type":"text\/html","content-version":"vor","intended-application":"text-mining"},{"URL":"http:\/\/link.springer.com\/content\/pdf\/10.1007\/s11390-007-9043-5","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2019,6,1]],"date-time":"2019-06-01T10:32:38Z","timestamp":1559385158000},"score":1,"resource":{"primary":{"URL":"http:\/\/link.springer.com\/10.1007\/s11390-007-9043-5"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2007,5]]},"references-count":18,"journal-issue":{"issue":"3","published-print":{"date-parts":[[2007,5]]}},"alternative-id":["9043"],"URL":"https:\/\/doi.org\/10.1007\/s11390-007-9043-5","relation":{},"ISSN":["1000-9000","1860-4749"],"issn-type":[{"value":"1000-9000","type":"print"},{"value":"1860-4749","type":"electronic"}],"subject":[],"published":{"date-parts":[[2007,5]]}}}