RETRACTED: Development of automated change order impact detection and quantification system

This article has been retracted at the request of the Editor-in-Chief. Please see Elsevier Policy on Article Withdrawal (http://www.elsevier.com/locate/withdrawalpolicy).Reason: This article has been retracted based on unauthorized use of previously published copyrighted material from the Construction Industry Institute Research Report No. 158-11 (February 2001) authored by Prof. Awad Hanna. Prof. Hanna and Dr. Sullivan listed as coauthors stated that they did not participate in the preparation and production of the article. The responsibility for the miscommunication that has arisen during the preparation and production of the article rests with Dr. Lee listed as the first author. Dr. Lee regrets his errors leading to the retraction of the article.