-- Technology implementation: Augmented reality, CPS and digital twin. -- Benefits of Digital Twin Applications used to Study Product Design and Development Processes. -- A Digital Twin framework for Industry 4.0/5.0 technologies. -- A Data Structure for Developing Data-Driven Digital Twins. -- A quality-oriented decision support framework: cyber-physical systems and model-based design to develop Design for Additive Manufacturing features. -- Examining the Influence of Business Models on Technical Implementation of Smart Services. -- Navigating the Digital Twin: 3D Exploration for Asset Administration Shell Content. -- Industrial Layout Mapping by Human-Centered approach and Computer Vision. -- A Data Management Approach for Modular Industrial Augmented Reality Applications. -- A Method to Interactive Simulations of Industrial Environments Based on Immersive Technologies. -- Organisation: Knowledge management, change management, frameworks for project and service development. -- How to support knowledge exchange in a multi-division manufacturing firm?. -- Contextualization for Generating FAIR Data: A Dynamic Model for Documenting Research Activities. -- Gamification as a knowledge management tool. -- Drivers of change impacting outcome-based business models in industrial production equipment. -- Exploration of multi-layers networks to elicit and capture product changes. -- A Model to Predict Span time and Effort for Product Development Processes. -- A multicriteria framework proposition for project management approaches. -- Innovative Development in a university environment based on the triple helix concepts: a systematic literature review. -- Understanding service design in the context of servitization. -- Modelisation : CAD and collaboration, Model-based system engineering and Building information modeling. -- SE Based Development Framework for Changeable Maritime Systems. -- Interface modeling for complex systems design: an MBSE and PLM system integration perspective. -- An Implementation of Integrated Approach in Product Life-cycle Management Tool to Ensure Requirements-In-Loop during Complex Product Development: A Cubesat Case Study. -- Holistic Perspective to the Drug-Device Combination Product Development Challenges. -- Knowledge-Based Engineering Design Supported by a Digital Twin Platform. -- Industrialization of site operations planning and management: a BIM-based decision support system. -- On Considering a PLM Platform for Design Change Management in the Construction Industry. -- Application of BIM technology to propagate information and knowledge of design changes in the product development cycle. -- Towards a multi-view and multi-representation CAD models system for computational design of multi-material 4D printed structures. -- A state of the art of the collaborative CAD solutions. -- KARMEN: A knowledge graph-based proposal to capture expert designer experience and foster expertise transfer.

This two-volume set IFIP AICT 701-702 constitutes the refereed post-conference proceedings of the 20th IFIP WG 5.1 International Conference on Product Lifecycle Management: Leveraging Digital Twins, Circular Economy, and Knowledge Management for Sustainable Innovation, PLM 2023, held in Montreal, QC, Canada, during July 9-12, 2023. The 61 regular papers included in this book were carefully reviewed and selected from 116 submissions. They are organized in the following thematic sections: Part I: Technology implementation: augmented reality, CPS and digital twin; organisation: knowledge management, change management, frameworks for project and service development; modelisation : CAD and collaboration, model-based system engineering and building information modeling. Part II: Circular economy: characterization, criteria and implementation; interoperability technology: blockchain, IoT and ontologies for data exchange; learning and training: from AI to a human-centric approach; smart processes: prediction, optimization and digital thread.