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Using machine learning to analyze and predict construction task productivity

Florez-Perez, Laura; Song, Zhiyuan; Cortissoz, Jean C; (2022) Using machine learning to analyze and predict construction task productivity. Computer-Aided Civil and Infrastructure Engineering , 37 (12) pp. 1602-1616. 10.1111/mice.12806. Green open access

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Abstract

The factors that affect productivity are a major focus in construction. This article proposes a machine learning–based approach to predict task productivity by using a subjective measure (compatibility of personality), together with external and site conditions, and other workers' characteristics. The approach integrates K-nearest neighbor (KNN), deep neural network (DNN), logistic regression, support vector machine (SVM), and ResNet18 to discover the mapping between input and output variables, alongside rigorous statistical analyses to interpret data. A database including 1977 productivity measures is utilized to train, test, and validate the approach. Results test rules in the masonry industry, which do not seem to have been tested before: Small crews are more productive than large crews; higher compatibility results in higher productivity in easy but not in difficult tasks; the relevance of experience to task productivity may depend on the difficulty of the task.

Type: Article
Title: Using machine learning to analyze and predict construction task productivity
Open access status: An open access version is available from UCL Discovery
DOI: 10.1111/mice.12806
Publisher version: https://doi.org/10.1111/mice.12806
Language: English
Additional information: This version is the author accepted manuscript. For information on re-use, please refer to the publisher’s terms and conditions.
UCL classification: UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of the Built Environment
UCL > Provost and Vice Provost Offices > UCL BEAMS
UCL
URI: https://discovery.ucl.ac.uk/id/eprint/10148443
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