Abstract
This paper proposes a chatbot-engaged system for supporting construction daily work reports (DWR) using a mobile messenger. Although mobile messengers are commonly used by project participants, they do not provide functions for capturing, managing, and storing DWR data. To address these limitations, the authors developed a chatbot-engaged messenger and a mobile app that allow general contractors (GCs) to interactively collect and manage data from subcontractors (SCs). A field applicability test of the proposed system was conducted at three construction sites. The results of the functionality test confirmed that the chatbot-engaged messenger fully supports DWR tasks, while significantly reducing the time spent. The usability test revealed that a two-pronged approach, involving a chatbot-engaged messenger for SCs and a mobile DWR management app for GCs, is an effective solution. Key considerations as well as information requirements for a messenger-based DWR system are also identified.
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