eWork and eBusiness in Architecture, Engineering and Construction 2021 collects the papers presented at the 13th European Conference on Product and Process Modelling (ECPPM 2021, Moscow, 5-7 May 2021). The contributions cover a wide spectrum of thematic areas that hold great promise towards the advancement of research and technological development targeted at the digitalization of the AEC/FM (Architecture, Engineering, Construction and Facilities Management) domains. High quality contributions are devoted to critically important problems that arise, including:

• Information and Knowledge Management
• Semantic Web and Linked Data
• Communication and Collaboration Technologies
• Software Interoperability
• BIM Servers and Product Lifecycle Management Systems
• Digital Twins and Cyber-Physical Systems
• Sensors and Internet of Things
• Big Data
• Artificial and Augmented Intelligence in AEC
• Construction Management
• 5D/nD Modelling and Planning
• Building Performance Simulation
• Contract, Cost and Risk Management
• Safety and Quality
• Sustainable Buildings and Urban Environments
• Smart Buildings and Cities
• BIM Standardization, Implementation and Adoption
• Regulatory and Legal Aspects
• BIM Education and Training
• Industrialized Production, Smart Products and Services

Over the past quarter century, the biennial ECPPM conference series, as the oldest BIM conference, has provided researchers and practitioners with a unique platform to present and discuss the latest developments regarding emerging BIM technologies and complementary issues for their adoption in the AEC/FM industry.