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This study aims to investigate the impact of ChatGPT on users’ continuous knowledge contributions in online question-and-answer (Q&A) communities based on social exchange theory and stimulus-organism-response (SOR) theory.

Data were collected from a Chinese online Q&A community, and the difference-in-differences (DID) model was employed to verify the proposed hypotheses.

The results show that ChatGPT negatively impacts users’ continuous knowledge contributions in online Q&A communities, with variations observed across different knowledge domains.

This study is the first attempt to examine the impact of ChatGPT on users’ continuous knowledge contributions in online Q&A communities. The findings provide valuable insights for community managers to develop strategies for mitigating the effects of ChatGPT on online Q&A communities.

The chapter explored integrating smart construction techniques in achieving stealth construction objectives, emphasising the development of building cross-sections, visibility management, energy transmission optimisation, and countermeasure implementation. It delved into the multifaceted aspects of smart construction towards achieving stealth construction goals, including environmental protection, enhanced construction safety, accelerated construction duration, cost-effectiveness, and aesthetic considerations. Furthermore, the chapter underscores the importance of leveraging innovative approaches and advanced technologies to meet the evolving demands of stealth construction projects and pave the way for sustainable, safe, and aesthetically pleasing built environments.