Search Results - "Spieker, Helge"
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Predictive Machine Learning of Objective Boundaries for Solving COPs
Published in AI (Basel) (28-10-2021)“…Solving Constraint Optimization Problems (COPs) can be dramatically simplified by boundary estimation, that is providing tight boundaries of cost functions. By…”
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Journal Article -
2
Adaptive metamorphic testing with contextual bandits
Published in The Journal of systems and software (01-07-2020)“…•Adaptive Metamorphic Testing (AMT) is an iterative variant of metamorphic testing.•AMT repeatedly chooses metamorphic relations to generate follow-up test…”
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3
Mutation‐Guided Metamorphic Testing of Optimality in AI Planning
Published in Software testing, verification & reliability (03-10-2024)“…ABSTRACT Autonomous systems such as space‐ or underwater‐exploration robots or elderly people assistance robots often include an artificial intelligence (AI)…”
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4
Detecting Intentional AIS Shutdown in Open Sea Maritime Surveillance Using Self-Supervised Deep Learning
Published in IEEE transactions on intelligent transportation systems (01-02-2024)“…In maritime traffic surveillance, detecting illegal activities, such as illegal fishing or transshipment of illicit products is a crucial task of the coastal…”
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5
Query-driven Qualitative Constraint Acquisition
Published in The Journal of artificial intelligence research (01-01-2024)“…Many planning, scheduling or multi-dimensional packing problems involve the design of subtle logical combinations of temporal or spatial constraints. Recently,…”
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6
Learning input-aware performance models of configurable systems: An empirical evaluation
Published in The Journal of systems and software (01-02-2024)“…Modern software-based systems are highly configurable and come with a number of configuration options that impact the performance of the systems. However,…”
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7
Multi-stage evolution of single- and multi-objective MCLP
Published in Soft computing (Berlin, Germany) (01-09-2017)“…Maximal covering location problems have efficiently been solved using evolutionary computation. The multi-stage placement of charging stations for electric…”
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Multi-stage evolution of single- and multi-objective MCLP: Successive placement of charging stations
Published in Soft computing (Berlin, Germany) (01-09-2017)“…Maximal covering location problems have efficiently been solved using evolutionary computation. The multi-stage placement of charging stations for electric…”
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Journal Article -
9
Enhancing RL Safety with Counterfactual LLM Reasoning
Published 16-09-2024“…Reinforcement learning (RL) policies may exhibit unsafe behavior and are hard to explain. We use counterfactual large language model reasoning to enhance RL…”
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10
Safety-Oriented Pruning and Interpretation of Reinforcement Learning Policies
Published 16-09-2024“…Pruning neural networks (NNs) can streamline them but risks removing vital parameters from safe reinforcement learning (RL) policies. We introduce an…”
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11
A fine-grained data set and analysis of tangling in bug fixing commits
Published in Empirical software engineering : an international journal (01-11-2022)“…Context Tangled commits are changes to software that address multiple concerns at once. For researchers interested in bugs, tangled commits mean that they…”
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12
Constraint-Guided Reinforcement Learning: Augmenting the Agent-Environment-Interaction
Published in 2021 International Joint Conference on Neural Networks (IJCNN) (18-07-2021)“…Reinforcement Learning (RL) agents have great successes in solving tasks with large observation and action spaces from limited feedback. Still, training the…”
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Conference Proceeding -
13
Constraint-Guided Reinforcement Learning: Augmenting the Agent-Environment-Interaction
Published 24-04-2021“…Reinforcement Learning (RL) agents have great successes in solving tasks with large observation and action spaces from limited feedback. Still, training the…”
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Journal Article -
14
Probabilistic Model Checking of Stochastic Reinforcement Learning Policies
Published 27-03-2024“…We introduce a method to verify stochastic reinforcement learning (RL) policies. This approach is compatible with any RL algorithm as long as the algorithm and…”
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Journal Article -
15
Predictive Machine Learning of Objective Boundaries for Solving COPs
Published 04-11-2021“…AI 2021, 2, 527-551 Solving Constraint Optimization Problems (COPs) can be dramatically simplified by boundary estimation, that is, providing tight boundaries…”
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Journal Article -
16
Summary of: Adaptive Metamorphic Testing with Contextual Bandits
Published in 2021 14th IEEE Conference on Software Testing, Verification and Validation (ICST) (01-04-2021)“…Metamorphic Testing (MT) is a software testing paradigm that aims at using user-specified properties of a program under test to either check its expected…”
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Conference Proceeding -
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Learning Objective Boundaries for Constraint Optimization Problems
Published 20-06-2020“…In: Nicosia G. et al. (eds) Machine Learning, Optimization, and Data Science. LOD 2020. Lecture Notes in Computer Science, vol 12566. Springer, Cham Constraint…”
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Journal Article -
18
Constraint-Guided Test Execution Scheduling: An Experience Report at ABB Robotics
Published 02-06-2023“…Automated test execution scheduling is crucial in modern software development environments, where components are frequently updated with changes that impact…”
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Journal Article -
19
Adaptive Metamorphic Testing with Contextual Bandits
Published 13-03-2020“…Journal of Systems and Software (JSS) Vol. 165 (2020) 110574 Metamorphic Testing is a software testing paradigm which aims at using necessary properties of a…”
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Journal Article -
20
Efficient Milling Quality Prediction with Explainable Machine Learning
Published 16-09-2024“…This paper presents an explainable machine learning (ML) approach for predicting surface roughness in milling. Utilizing a dataset from milling aluminum alloy…”
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Journal Article