Collaborative design is an important link in building construction at present, while the communication and cooperation among disciplines need further regulation. In order to maintain the cost-effectiveness and design quality of building engineering in the competitive environment and obtain higher economic benefits, the design team must ensure the collaborative design quality of building engineering. Based on the analysis of collaboration theory and collaboration mechanism, a collaborative

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... platform for caves in Henan province is constructed under the current cloud environment. In addition, the requirements and nonfunctional requirements of the platform are analyzed, and the overall structure with each part is designed specifically, hoping to improve the quality of collaborative design effectively.