Keynote.- Establishing 'Architectural Thinking' in Organizations.- Regular Papers.- Causes and Consequences of Application Portfolio Complexity - An Exploratory Study.- Enterprise 2.0 - Literature Taxonomy and Usage Evaluation.- Towards Support for Strategic Decision Processes Using Enterprise Models: A Critical Reconstruction of Strategy Analysis Tools.- Strategic Enterprise Architectures.- Data Journey Modelling: Predicting Risk for IT Developments.- Data Model Development for Process Modeling Recommender Systems.- Value-Driven Fraud Analysis of Coordination Models.- A Semi-Automated Method for Capturing Consumer Preferences for System Requirements.- Scaffolding Stakeholder-centric Enterprise Model Articulation.- An Artifact-Based Framework for Business-IT Misalignment Symptom Detection.- Coopetition with Frenemies: Towards Modeling of Simultaneous Cooperation and Competition Among Enterprises.- Defining the Responsibility Space for the Information Systems Evolution Steering.- A Textual Description based Approach to Process Matching.- Securing Airline-Turnaround Processes Using Security Risk-oriented Patterns.- Enterprise Modelling for the Masses - From Elitist Discipline to Common Practice.- Exploring and Conceptualising Software-based Motivation within Enterprise.- Modeling Organizational Capabilities on a Strategic Level.- Explorative Survey into Goals, Focus, Experiences and Extent of Enterprise-wide Process Modelling in Practice.- Short Papers.- Enterprise Modeling as a Decision Making Aid: A Systematic Mapping Study.- The Value of Enterprise Modelling: Towards a Service-centric Perspective.- The Goal-based Selection of the Business Process Modeling Language.- A Toolbox Supporting Agile Modelling Method Engineering: ADOxx.org Modelling Method Conceptualization Environment.- Using Attack-Defense Trees to Analyze Threats and Countermeasures in an ATM: A Case Study.- Towards a Classification Framework for Approaches toEnterprise Architecture Analysis.- Measuring and Visualising Projects' Collective Method Rationale.- An Integrated Conceptual Model for Information System Security Risk Management and Enterprise Architecture Management based on TOGAF.- Separation of Modeling Principles and Design Principles in Enterprise Engineering.