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Title: Clustering of designers based on building information modeling event logs
Authors: Pan, Yue
Zhang, Limao
Skibniewski, Miroslaw J.
Keywords: Engineering::Civil engineering
Issue Date: 2020
Source: Pan, Y., Zhang, L. & Skibniewski, M. J. (2020). Clustering of designers based on building information modeling event logs. Computer-Aided Civil and Infrastructure Engineering, 35(7), 701-718.
Project: M4082160.030
Journal: Computer-Aided Civil and Infrastructure Engineering
Abstract: A network-enabled event log mining approach is proposed for a deep understanding of the Building Information Modeling (BIM)-based collaborative design work. It proposes a novel algorithm termed node2vec-GMM combining a graph embedding algorithm named node2vec and a clustering method named Gaussian mixture model (GMM) to cluster designers within a network into several subgroups, and then makes cluster analysis. Its superiority lies in the efficient feature learning ability to preserve network structure and the powerful clustering ability to tackle uncertainty and visualize results, which can directly return the cluster embedding. As a case study, a directional network with 68 nodes (designers) and 436 ties (design task transmissions) is constructed based on retrieved data from 4GB real BIM event logs. The node2vec learns and projects the network feature representation into a 128-dimensional vector, which is learned by GMM to discover three possible clusters owning 15, 26, and 27 closely linked designers. Analysis of each cluster is performed from node importance measurement and link prediction to identify information spreading and designers’ roles within clusters. Our new algorithm node2vec-GMM is proven to better improve clustering quality than other state-of-the-art methods by at least 6.0% Adjusted Rand Index and 13.4% Adjusted Mutual Information. Overall, the designer clustering process provides managers with data-driven support in both monitoring the whole course of the BIM-based design and making reliable decisions to increase collaboration opportunities.
ISSN: 1093-9687
DOI: 10.1111/mice.12551
Schools: School of Civil and Environmental Engineering 
Rights: © 2020 Computer-Aided Civil and Infrastructure Engineering. All rights reserved.
Fulltext Permission: none
Fulltext Availability: No Fulltext
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