BC4IS 2022.- Improving the Effciency of a Blockchain-basedConfidential Registered e-Delivery Protocol.- Multi-authority decentralized attribute-based authorization framework.- ISESL 2022.- Smart City Software: A Review of Development Methodologies and Modelling Languages.- Domain Ontology Construction with Activity Logs and Sensors Data – Case Study of Smart Home Activities.- Empirical Analysis of Technology Acceptance of Private Electric Vehicle Charging Infrastructure in Germany.- A sustainability matrix for smartphone application.- Representing Habits as Streams of Situational Contexts.- Robots and Choreography: a contribution to artificial sentience.- KET4DF 2022.- Digital Twins for enhanced Resilience: Aerospace Manufacturing Scenario.- Supporting Zero Defect Manufacturing through Cloud Computing and Data Analytics: the Case Study of Electrospindle 4.0.- Digital Twins Approach for Sustainable Industry.

This book constitutes the thoroughly refereed proceedings of the international workshops associated with the 34th International Conference on Advanced Information Systems Engineering, CAiSE 2022, which was held in Leuven, Belgium, during June 6-10, 2022.The workshops included in this volume are:·         BC4IS: Second International Workshop on Blockchain for Information Systems·         ISESL: Second International Workshop on Information Systems Engineering for Smarter Life·         KET4DF: 4th International Workshop on Key Enabling Technology for Digital FactoriesThey reflect a broad range of topics and trends ranging from blockchain technologies via digital factories, ethics, and ontologies, to the agile methods for business and information systems.The 11 full papers and 1 short paper presented in this book were carefully reviewed and selected from 23 submissions.