DI (FH) Claus Klammer
Research Team Lead Automated Software Testing and Quality Assurance
Publikationen
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2025
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Metamorphic testing for optimisation: A case study on PID controller tuning
Duque-Torres, A., Klammer, C., Fischer, S., Ramler, R., & Pfahl, D. (2025). Metamorphic testing for optimisation: A case study on PID controller tuning. Information and Software Technology, 188, 107872.
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Assessing the strength of Metamorphic Testing applied to optimisation software—Experience from industry
Duque-Torres, A., Klammer, C., Fischer, S., Pfahl, D., & Ramler, R. (2025). Assessing the strength of Metamorphic Testing applied to optimisation software—Experience from industry. Information and Software Technology, 186, 107807.
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Automating Invariant Filtering: Leveraging LLMs to Streamline Test Oracle Generation
Fischer, S., & Klammer, C. (2025). Automating Invariant Filtering: Leveraging LLMs to Streamline Test Oracle Generation. Balancing Software Innovation and Regulatory Compliance, 51–71.
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2024
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The Metamorphic Lighthouse: Understanding the Input Data Space of Metamorphic Relations
Duque-Torres, A., Pfahl, D., Klammer, C., Fischer, S., & Ramler, R. (2024). The Metamorphic Lighthouse: Understanding the Input Data Space of Metamorphic Relations. 2024 50th Euromicro Conference on Software Engineering and Advanced Applications (SEAA), 379–386.
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MetaExploreX: A Visualisation Tool for Selecting and Constraining Metamorphic Relations
Duque-Torres, A., Pfahl, D., Klammer, C., & Fischer, S. (2024). MetaExploreX: A Visualisation Tool for Selecting and Constraining Metamorphic Relations. 2024 IEEE International Conference on Software Analysis, Evolution and Reengineering - Companion (SANER-C), 219–222.
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2023
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Is It the Best Solution? Testing an Optimisation Algorithm with Metamorphic Testing
Duque-Torres, A., Klammer, C., Fischer, S., & Pfahl, D. (2023). Is It the Best Solution? Testing an Optimisation Algorithm with Metamorphic Testing. Lecture Notes in Computer Science, 339–354.
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Specification-based Test Case Generation for C++ Engineering Software
Hamberger, P., Klammer, C., Luger, T., Moser, M., Pfeiffer, M., & Piereder, C. (2023). Specification-based Test Case Generation for C++ Engineering Software. 2023 IEEE International Conference on Software Maintenance and Evolution (ICSME).
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Exploring a Test Data-Driven Method for Selecting and Constraining Metamorphic Relations
Duque-Torres, A., Pfahl, D., Klammer, C., & Fischer, S. (2023). Exploring a Test Data-Driven Method for Selecting and Constraining Metamorphic Relations. 2023 49th Euromicro Conference on Software Engineering and Advanced Applications (SEAA).
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Towards Automatic Generation of Amplified Regression Test Oracles
Duque-Torres, A., Klammer, C., Pfahl, D., Fischer, S., & Ramler, R. (2023). Towards Automatic Generation of Amplified Regression Test Oracles. 2023 49th Euromicro Conference on Software Engineering and Advanced Applications (SEAA).
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Bug or not Bug? Analysing the Reasons Behind Metamorphic Relation Violations
Duque-Torres, A., Pfahl, D., Klammer, C., & Fischer, S. (2023). Bug or not Bug? Analysing the Reasons Behind Metamorphic Relation Violations. 2023 IEEE International Conference on Software Analysis, Evolution and Reengineering (SANER).
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Testing of Highly Configurable Cyber-Physical Systems - Results from a Two-Phase Multiple Case Study
Fischer, S., Klammer, C., Fernández, A. M. G., Rabiser, R., & Ramler, R. (2023). Testing of highly configurable cyber–physical systems — Results from a two-phase multiple case study. Journal of Systems and Software, 199, 111624.
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2022
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A Toolchain for Testing OPC UA Interfaces
Walchshofer, A., Klammer, C., & Fischer, S. (2022). A toolchain for testing OPC UA interfaces. 2022 IEEE 27th International Conference on Emerging Technologies and Factory Automation (ETFA).
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Introduction of visual regression testing in collaboration between industry and academia
Wetzlmaier, T., Klammer, C., & Haslauer, H. (2022). Introduction of Visual Regression Testing in Collaboration Between Industry and Academia. Database and Expert Systems Applications - DEXA 2022 Workshops, 189–198.
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A Replication Study on Predicting Metamorphic Relations at Unit Testing Level
Duque-Torres, A., Pfahl, D., Ramler, R., & Klammer, C. (2022). A Replication Study on Predicting Metamorphic Relations at Unit Testing Level. 2022 IEEE International Conference on Software Analysis, Evolution and Reengineering (SANER).
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Migrating Cyber-Physical Systems to OPC UA
Buchgeher, G., Dorninger, B., Klammer, C., Walchshofer, A., & Kern, A. (2022). Migrating Cyber-Physical Systems to OPC UA. Procedia Computer Science, 200, 276–283.
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Using Source Code Metrics for Predicting Metamorphic Relations at Method Level
Duque-Torres, A., Pfahl, D., Klammer, C., & Fischer, S. (2022). Using Source Code Metrics for Predicting Metamorphic Relations at Method Level. 2022 IEEE International Conference on Software Analysis, Evolution and Reengineering (SANER).
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2021
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Integrating Usage Monitoring for Continuous Evaluation and Testing in the UI of an Industry Application
Fischer, S., Klammer, C., & Ramler, R. (2021). Integrating usage monitoring for continuous evaluation and testing in the UI of an industry application. Proceedings of the 12th International Workshop on Automating TEST Case Design, Selection, and Evaluation.
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Testing of Highly Configurable Cyber-Physical Systems – A Multiple Case Study
Fischer, S., Ramler, R., Klammer, C., & Rabiser, R. (2021). Testing of Highly Configurable Cyber-Physical Systems – A Multiple Case Study. Proceedings of the 15th International Working Conference on Variability Modelling of Software-Intensive Systems.
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Testing autogenerated OPC UA NodeSet models for product variants in industry
Klammer, C., Wetzlmaier, T., Pfeiffer, M., Steiner, T., & Konnerth, M. (2021). Testing Autogenerated OPC UA NodeSet Models for Product Variants in Industry. Lecture Notes in Business Information Processing, 15–29.
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2020
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A lightweight customized build chain visualization approach applied in industry
Klammer, C., & Gmeiner, J. (2020). A Lightweight Customized Build Chain Visualization Approach Applied in Industry. 2020 46th Euromicro Conference on Software Engineering and Advanced Applications (SEAA).
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2019
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Enhancing acceptance test-driven development with model-based test generation
Ramler, R., & Klammer, C. (2019). Enhancing Acceptance Test-Driven Development with Model-Based Test Generation. 2019 IEEE 19th International Conference on Software Quality, Reliability and Security Companion (QRS-C).
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Lessons learned from making the transition to model-based GUI testing
Ramler, R., Klammer, C., & Wetzlmaier, T. (2019). Lessons learned from making the transition to model-based GUI testing. Proceedings of the 10th ACM SIGSOFT International Workshop on Automating TEST Case Design, Selection, and Evaluation.
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Benefits and drawbacks of representing and analyzing source code and software engineering artifacts with graph databases
Ramler, R., Buchgeher, G., Klammer, C., Pfeiffer, M., Salomon, C., Thaller, H., & Linsbauer, L. (2018). Benefits and Drawbacks of Representing and Analyzing Source Code and Software Engineering Artifacts with Graph Databases. Software Quality: The Complexity and Challenges of Software Engineering and Software Quality in the Cloud, 125–148.
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