Publications

A Configurable Software Model of a Self-Adaptive Robotic System
Science of Computer Programming 240: 103221, 2025.
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Digital Twin Engineering
Proc. ISOLA 2024. LNCS 15223. Springer 2025.
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Correct and Complete Symbolic Execution for Free
Proc. IFM 2024. LNCS 15234. Springer 2025.
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Towards a Proof System for Probabilistic Dynamic Logic
Principles of Verification: Cycling the Probabilistic Landscape. LNCS 15260, Springer 2025.
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Mutation-Based Integration Testing of Knowledge Graph Applications
Proc. ISSRE 2024. IEEE 2024.
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Mutation-Based Integration Testing of Knowledge Graph Applications
Semantic Reflection and Digital Twins: A Comprehensive Overview
The Combined Power of Research, Education and Dissemination. LNCS 15240, Springer 2024.
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Risk-Averse Planning and Plan Assessment for Marine Robots
Proc. IROS 2024. IEEE 2024.
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Risk-Averse Planning and Plan Assessment for Marine Robots
Nudging Strategies for User Journeys: Take a Path on the Wild Side
Real-Time and Such. LNCS 15230, Springer 2024.
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Nudging Strategies for User Journeys: Take a Path on the Wild Side
Declarative Lifecycle Management in Digital Twins
Proc. 1st International Conference on Engineering Digital Twins (EDTconf 2024). ACM 2024.
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Declarative Lifecycle Management in Digital Twins
Proving Correctness of Parallel Implementations of Transition System Models
ACM Transactions on Programming Languages and Systems (TOPLAS): 46 (3), 2024.
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Proving Correctness of Parallel Implementations of Transition System Models
Stochastic Games for User Journeys
Proc. FM 2024. LNCS 14934, Springer 2024.
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Stochastic Games for User Journeys
Roger Antonsen fanget publikum med sitt smittende engasjement
Minneord, Aftenposten 06.05.2024, Khrono 08.05.2024.
Khrono Aftenposten
Roger Antonsen fanget publikum med sitt smittende engasjement
GreenhouseDT: An Exemplar for Digital Twins
Proc. SEAMS 2024. IEEE/ACM 2024.
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GreenhouseDT: An Exemplar for Digital Twins
User Journey Games: Automating User-Centric Analysis
Software and Systems Modeling 23: 605-624, 2024.
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User Journey Games: Automating User-Centric Analysis
Locally Abstract, Globally Concrete Semantics of Concurrent Programming Languages
ACM Transactions on Programming Languages and Systems (TOPLAS) 46 (1), 2024.
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Preface for the Formal Methods in System Design special issue on ‘FASE 2022’
Formal Methods in System Design, 2024
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Preface for the Formal Methods in System Design special issue on ‘FASE 2022’
Active Object Languages: Current Research Trends
LNCS 14360, Springer 2024.
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Active Object Languages: Current Research Trends
Preface for the special issue on 'Fundamental Approaches to Software Engineering (FASE 2022)'
Science of Computer Programming 232, January 2024
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Preface for the special issue on 'Fundamental Approaches to Software Engineering (FASE 2022)'
Simulating User Journeys with Active Objects
Active Object Languages: Current Research Trends. Springer 2024.
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Denotational Semantics for Symbolic Execution
Proc. ICTAC 2023. LNCS 14446 Springer 2023.
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Formal Modelling and Analysis of a Self-Adaptive Robotic System
Proc. iFM 2023. LNCS 14300. Springer 2023.
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Formal Modelling and Analysis of a Self-Adaptive Robotic System
Reply to Ekström and Ottersen: Real-time access to data during outbreaks is a key to avoid a local epidemic becoming a global pandemic
Proceedings of the National Academy of Sciences 120, 2023.
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Formal Specification and Testing for Reinforcement Learning
Proc. ICFP 2023. ACM 2023.
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Formal Specification and Testing for Reinforcement Learning
Behavior Trees and State Machines in Robotics Applications
IEEE Transactions on Software Engineering 49 (9), Sept. 2023.
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Symbolic Semantics for Probabilistic Programs
Proc. QEST 2023. LNCS 14287. Springer 2023.
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Compositional Correctness and Completeness for Symbolic Partial Order Reduction
Proc. CONCUR 2023. LIPIcs 2023.
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Predicting Resource Consumption of Kubernetes Container Systems using Resource Models
Journal of Systems & Software 203, Sept. 2023.
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SUAVE: An Exemplar for Self-Adaptive Underwater Vehicles
Proc. SEAMS 2023. IEEE/ACM 2023.
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How to Avoid a Local Epidemic Becoming a Global Pandemic
Proceedings of the National Academy of Sciences 120, 2023.
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Building User Journey Games from Multi-Party Event Logs
Proc. EdbA 2022. LNBIP 468, Springer 2023.
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The ABS Simulator Toolchain
Science of Computer Programming 223, 2022.
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A Specification Logic for Programs in the Probabilistic Guarded Command Language
Proc. ICTAC 2022. LNCS 13572, Springer 2022.
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Twinning-by-Construction: Ensuring Correctness for Self-Adaptive Digital Twins
Proc. ISoLA 2022. LNCS 13701, Springer 2022.
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Digital Twin Reconfiguration Using Asset Models
Proc. ISoLA 2022. LNCS 13704, Springer 2022.
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A Formal Model of Metacontrol in Maude
Proc. ISoLA 2022. LNCS 13701, Springer 2022.
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Weighted Games for User Journeys
Proc. SEFM 2022. LNCS 13550, Springer 2022.
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DPL: A Language for GDPR Enforcement
Proc. CSF 2022. © IEEE CS Press 2022.
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The Logic of Software. A Tasting Menu of Formal Methods
LNCS 13360, Springer 2022.
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The Logic of Software. A Tasting Menu of Formal Methods
Knowledge Structures over Simulation Units
Proc. ANNSIM 2022. IEEE Press 2022.
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Digital Twins for Autonomic Cloud Application Management
Proc. CCPI 2022. LNNS 451. © Springer 2022.
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Proc. 25th Intl. Conf. on Fundamental Approaches to Software Engineering (FASE 2022)
LNCS 13241, Springer 2022.
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Proc. 25th Intl. Conf. on Fundamental Approaches to Software Engineering (FASE 2022)
Smart Journey Mining for Improved Service Quality
Proc. CSS 2021. © IEEE 2021.
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Modeling and Analyzing Resource-Sensitive Actors: A Tutorial Introduction
Proc. COORDINATION 2021. LNCS 12717, Springer 2021.
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Programming and Debugging with Semantically Lifted States
Proc. ESWC 2021. LNCS 12731, Springer 2021.
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Inseguendo Fagiani Selvatici: Partial Order Reduction for Guarded Command Languages
Festschrift Maurizio Gabbrielli, 2020.
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Active Objects with Deterministic Behavior
Proc. IFM 2020. LNCS 12546, Springer 2020
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Behavior Trees in Action: A Study of Robotics Applications
Proc. SLE 2020. ACM Press 2020.
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A Formal Model of the Kubernetes Container Framework
Proc. ISoLA 2020. LNCS 12476, Springer 2020.
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Designing Distributed Control with Hybrid Active Objects.
Proc. ISoLA 2020. LNCS 12479, Springer 2020
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Assumption-Commitment Types for Resource Management in Virtually Timed Ambients
Proc. ISoLA 2020. LNCS 12476, Springer 2020
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SymPaths: Symbolic Execution Meets Partial Order Reduction
Deductive Software Verification: Future Perspectives. LNCS 12345, Springer 2020.
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Behavioral Contracts for Cooperative Scheduling
Deductive Software Verification: Future Perspectives. LNCS 12345, Springer 2020.
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Lazy Product Discovery in Huge Configuration Spaces
Proc ICSE 2020, ACM Press 2020
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Model Checking Starvation for Resource-aware Active Objects with Coloured Petri Nets
Proc. PNSE@Petri Nets 2020
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Global Reproducibility through Local Control for Distributed Active Objects
Proc FASE 2020
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A configurable and executable model of Spark Streaming on Apache YARN
IJGUC 11 (2): 185 - 195, 2020
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Godot: All the Benefits of Implicit and Explicit Futures
Proc. ECOOP 2019
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Asynchronous Cooperative Contracts for Cooperative Scheduling
Proc. SEFM 2019
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Translating active objects into colored Petri nets for communication analysis
Science of Computer Programming 181: 1-26, 2019
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A Formal Model of Parallel Execution on Multicore Architectures with Multilevel Caches
Science of Computer Programming 179: 24-53, 2019
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Implementing SOS with Active Objects: A Case Study of a Multicore Memory System
Proc. FASE 2019
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Parallel Cost Analysis
ACM Transactions on Computational Logic 19 (4): 31:1–31:37, 2018
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Dynamic Software Updates and Context Adaptation for Distributed Active Objects
Festschrift Arnd Poetzsch-Heffter
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Deployment by Construction for Multicore Architectures
Proc. ISoLa 2018
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Checking Modal Contracts for Virtually Timed Ambients
Proc. ICTAC 2018
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Using Coloured Petri Nets for Resource Analysis of Active Objects
Proc. FACS 2018
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Resource-Aware Virtually Timed Ambients
Proc. IFM 2018
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Proc. 16th Intl. Conf. on Software Engineering and Formal Methods (SEFM 2018)
Springer LNCS 10886
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Proc. 16th Intl. Conf. on Software Engineering and Formal Methods (SEFM 2018)
Release the Beasts: When Formal Methods Meet Real World Data
Festschrift Farhad Arbab
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Modeling and Simulation of Spark Streaming
Proc. AINA 2018
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Virtually timed ambients: A calculus of nested virtualization
Journal of Logic and Algebraic Methods in Programming 94:109-127, 2018
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A Modular Reasoning System Using Uninterpreted Predicates for Code Reuse
Journal of Logic and Algebraic Methods in Programming 95:82-102, 2018.
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A Calculus of Virtually Timed Ambients
Proc WADT 2016
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Translating Active Objects into Colored Petri Nets for Communication Analysis
Proc. FSEN 2017
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A Survey of Active Object Languages
ACM Computing Surveys 50 (5): 76:1–76:39, 2017
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A Formal Model of Parallel Execution on Multicore Architectures with Multilevel Caches
Proc. FACS 2017
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Locally Abstract, Globally Concrete Semantics of Concurrent Programming Languages
Proc. TABLEAUX 2017
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A formal model of cloud-deployed software and its application to workflow processing
Proc. SoftCOM 2017
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Proc. 6th IFIP WG 2.14 European Conference on Service-Oriented and Cloud Computing (ESOCC 2017)
Springer LNCS 10465
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Proc. 6th IFIP WG 2.14 European Conference on Service-Oriented and Cloud Computing (ESOCC 2017)
Proc. 11th International Conference on Tests and Proofs (TAP 2017)
Springer LNCS 10375
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Proc. 11th International Conference on Tests and Proofs (TAP 2017)
EasyInterface: A toolkit for rapid development of GUIs for research prototype tools
Proc. FASE 2017
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Zephyrus2: On the Fly Deployment Optimization Using SMT and CP Technologies
Proc. SETTA 2016
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Modeling Deployment Decisions for Elastic Services with ABS
Proc. IFMCloud 2016
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Comparing AWS Deployments Using Model-Based Predictions
Proc. ISoLa 2016
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Proof Repositories for Compositional Verification of Evolving Software Systems - Managing Change When Proving Software Correct
Transactions on Foundations for Mastering Change 1: 130-156 (2016)
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Proc. 5th IFIP WG 2.14 European Conference Service-Oriented and Cloud Computing (ESOCC 2016)
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Proc. 5th IFIP WG 2.14 European Conference Service-Oriented and Cloud Computing (ESOCC 2016)
Behavioral Types in Programming Languages
Foundations and Trends® in Programming Languages 3 (2-3): 95-230, 2016
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ABS-YARN: A Formal Framework for Modeling Hadoop YARN Clusters
Proc. FASE 2016
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Meeting Deadlines, Elastically.
Festschrift Kaisa Sere
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An Operational Semantics of Cache Coherent Multicore Architectures
Proc. SAC 2016
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Theory and Practice of Formal Methods - Essays Dedicated to Frank de Boer on the Occasion of His 60th Birthday
Springer LNCS 9660
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Theory and Practice of Formal Methods - Essays Dedicated to Frank de Boer on the Occasion of His 60th Birthday
A Maude Framework for Cache Coherent Multicore Architectures
Proc. WRLA 2016
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Time Complexity of Concurrent Programs - A Technique Based on Behavioural Types
Proc. FACS 2015
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A formal model of service-oriented dynamic object groups
Science of Computer Programming 115-116: 3-22, 2016
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History-Based Specification and Verification of Scalable Concurrent and Distributed Systems
Proc. ICFEM 2015
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Parallel Cost Analysis of Distributed Systems
Proc. SAS 2015
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Preparing HPC Applications for Exascale: Challenges and Recommendations
Proc. NBIS 2015
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Designing Resource-Aware Cloud Applications
IEEE Computer 48 (6), 2015
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Advanced Lectures on Formal Methods for Multicore Programming
SFM 2015
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Advanced Lectures on Formal Methods for Multicore Programming
Parallel Objects for Multicores: A Glimpse at the Parallel Language Encore
Formal Methods for Multicore Programming (SFM 2015)
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A proof system for adaptable class hierarchies
Journal of Logical and Algebraic Methods in Programming 84 (1): 37-53, 2015
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Integrating deployment architectures and resource consumption in timed object-oriented models
Journal of Logical and Algebraic Methods in Programming 84 (1): 67-91, 2015
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Formal modeling and analysis of resource management for cloud architectures: an industrial case study using Real-Time ABS
Journal of Service-Oriented Computing and Applications 8 (4):323-339, 2014
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Deployment Variability in Delta-Oriented Models
Proc. ISoLa 2014
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Fault Model Design Space for Cooperative Concurrency
Proc. ISoLa 2014
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Erlang-Style Error Recovery for Concurrent Objects with Cooperative Scheduling
Proc. ISoLa 2014
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Verifying traits: an incremental proof system for fine-grained reuse
Formal Aspects of Computing 26 (4): 761-793, 2014
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Advanced Lectures on Formal Methods for Executable Software Models
Springer LNCS 8483
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Advanced Lectures on Formal Methods for Executable Software Models
Run-Time Assertion Checking of Data- and Protocol-Oriented Properties of Java Programs: An Industrial Case Study
Transactions on Aspect-Oriented Software Development 11: 1-26, 2014
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Engineering Virtualized Services
Proc NordiCloud 2013
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Proc. 10th International Conference on Integrated Formal Methods (IFM 2013)
LNCS 7940
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Proc. 10th International Conference on Integrated Formal Methods (IFM 2013)
Behavioural Design of Sensor Network Applications using Activity-Driven States
Proc. SESENA 2013
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User-defined Schedulers for Real-Time Concurrent Objects
Innovations in Systems and Software Engineering 9 (1):29-43, 2013
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Run-time checking of data- and protocol-oriented properties of Java programs: an industrial case study
Proc. SAC 2013
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Modeling Resource-Aware Virtualized Applications for the Cloud in Real-Time ABS
Proc. ICFEM 2012
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Tracking Behavioral Constraints during Object-Oriented Software Evolution
Proc. ISoLa 2012
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A Transformational Proof System for Delta-Oriented Programming
Proc. FMSPLE 2012
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Formal Modeling of Resource Management for Cloud Architectures: An Industrial Case Study
Proc. ESOCC 2012
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A Type-Safe Model of Adaptive Object Groups
Proc. FOCLASA 2012
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MULE-based Wireless Sensor Networks: Probabilistic Modeling and Quantitative Analysis
Proc. IFM 2012
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Observable Behavior of Distributed Systems: Component Reasoning for Concurrent Objects
Journal of Logic and Algebraic Programming 81 (3): 227-256, 2012
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Formal Modeling and Validation of a Power-Efficient Grouping Protocol for WSNs
Journal of Logic and Algebraic Programming 81 (3): 284-297, 2012
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Safe Locking for Multi-Threaded Java with Exceptions
Journal of Logic and Algebraic Programming 81 (3): 257-283, 2012
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A Formal Model of User-Defined Resources in Resource-Restricted Deployment Scenarios
Proc. FOVEOOS 2011
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A Formal Model of Object Mobility in Resource-Restricted Deployment Scenarios
Proc. FACS 2011
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ABS: A Core Language for Abstract Behavioral Specification
Proc. FMCO 2010
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Incremental Reasoning with Lazy Behavioral Subtyping for Multiple Inheritance
Science of Computer Programming 76 (10):915-941, 2011
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Models of Rate Restricted Communication for Concurrent Objects
Proc. TTSS 2010
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Verifying Traits: A Proof System for Fine-Grained Reuse
Proc. FTfJP 2011
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Fault in the Future
Proc. COORDINATION 2011
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Modeling Spatial and Temporal Variability with the HATS Abstract Behavioral Modeling Language
Proc. SFM 2011
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Simulating Concurrent Behaviors with Worst-Case Cost Bounds
Proc. FM 2011
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Safe Locking for Multi-Threaded Java
Proc. FSEN 2011
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Group Selection by Nodes in Wireless Sensor Networks Using Coalitional Game Theory
Proc. ICECCS 2011
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Dynamic Resource Reallocation Between Deployment Components
Proc. ICFEM 2010
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Dating Concurrent Objects: Real-Time Modeling and Schedulability Analysis
Proc. CONCUR 2010
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Lazy Behavioral Subtyping
Journal of Logic and Algebraic Programming 79 (7): 578-607, 2010
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Lightweight Time Modeling in Timed Creol
Proc. RTRTS 2010
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Concurrent Objects a la Carte
Festschrift Willem-Paul de Roever
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Confluent Term Rewriting for Only-knowing Logics
Proc. STAIRS 2010
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Validating Timed Models of Deployment Components with Parametric Concurrency
Proc. FOVEOOS 2010
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Grouping Nodes in Wireless Sensor Networks Using Coalitional Game Theory
Proc. FMOODS/FORTE 2010
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Dynamic Classes: Modular Asynchronous Evolution of Distributed Concurrent Objects
Proc FM 2009
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The 19th Nordic Workshop on Programming Theory (NWPT 2007)
Journal of Logic and Algebraic Programming 78 (7)
DOI
The 19th Nordic Workshop on Programming Theory (NWPT 2007)
Dynamic Symbolic Execution for Testing Distributed Objects
Proc. TAP 2009
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Proof Search for the First-Order Connection Calculus in Maude
Proc. WRLA 2008
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Incremental Reasoning for Multiple Inheritance
Proc. IFM 2009
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Distributed Computing Techniques. Selected papers from FMOODS'07 and COORDINATION'07
Theoretical Computer Science 410 (2-3)
DOI
Distributed Computing Techniques. Selected papers from FMOODS'07 and COORDINATION'07
Minimal Ownership for Active Objects
Proc. APLAS 2008
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Backwards Type Analysis of Asynchronous Method Calls
Journal of Logic and Algebraic Programming 77 (1-2): 40-59, 2008
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Testing Concurrent Objects with Application-Specific Schedulers
Proc. ICTAC 2008
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Intra-Object versus Inter-Object: Concurrency and Reasoning in Creol
Proc. TTSS 2008
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An Object-Oriented Component Model for Heterogeneous Nets
Proc. FMCO 2007
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Validating Behavioral Component Interfaces in Rewriting Logic
Fundamenta Informaticae 82 (4): 341-359, 2008
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Lazy Behavioral Subtyping
Proc FM 2008
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A Complete Guide to the Future
Proc. ESOP 2007
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Observable Behavior of Dynamic Systems: Component Reasoning for Concurrent Objects
Proc. FInCo 2007
An Asynchronous Communication Model for Distributed Concurrent Objects
Software and Systems Modeling 6 (1): 39-58, 2007
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Proc. 9th Intl. Conf. on Formal Methods for Open Object-Based Distributed Systems (FMOODS'07).
LNCS 4468. © Springer 2007
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Proc. 9th Intl. Conf. on Formal Methods for Open Object-Based Distributed Systems (FMOODS'07).
Structured Formal Development in Isabelle
Nordic Journal of Computing 13: 2-21, 2006.
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Creol: A type-safe object-oriented model for distributed concurrent systems
Theoretical Computer Science 365 (1-2): 23-66, 2006.
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Runtime Validation of Communication Histories
Proc. ICCP 2006
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Type-Safe Runtime Class Upgrades in Creol
Proc. FMOODS 2006
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Inheritance in the Presence of Asynchronous Method Calls
Proc. HICSS 2005
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Validating Behavioral Component Interfaces in Rewriting Logic
Proc. FSEN 2005
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Representing Strategies for the Connection Calculus in Rewriting Logic
Proc. FTP 2005
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A Dynamic Class Construct for Asynchronous Concurrent Objects
Proc. FMOODS 2005
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Verification of Concurrent Objects with Asynchronous Method Calls
Proc. SwSTE 2005
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Reasoning about Asynchronous Method Calls and Inheritance
Proc. NIK 2004
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Toward Reflective Application Testing in Open Environments"
Proc. NIK 2004
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An Asynchronous Communication Model for Distributed Concurrent Objects
Proc. SEFM 2004
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Theorem Reuse by Proof Term Transformation"
Proc. TPHOLs 2004
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A Dynamic Binding Strategy for Multiple Inheritance and Asynchronously Communicating Objects"
Proc. FMCO 2004
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A Run-time Environment for Concurrent Objects with Asynchronous Method Calls
Proc. WRLA 2004
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Object-Oriented Specification and Open Distributed Systems
Festschrift Ole-Johan Dahl
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Combining Active and Reactive Behavior in Concurrent Systems
Proc. NIK 2003
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Abstracting Refinements for Transformation"
Nordic Journal of Computing 10: 313-336, 2003
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Combining Graphical and Formal Development of Open Distributed Systems
Proc. IFM 2002
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Composition and Refinement for Partial Object Specifications
Proc. FMPPTA 2002
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A Compositional Formalism for Object Viewpoints
Proc. FMOODS 2002
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Incremental Fault-Tolerant Design in an Object-Oriented Setting
Proc. APAQS 2001
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Specification of Distributed Systems with a Combination of Graphical and Formal Languages
Proc. APSEC 2001
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