Search Results - "Spieker, Helge"

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  1. 1

    Predictive Machine Learning of Objective Boundaries for Solving COPs by Spieker, Helge, Gotlieb, Arnaud

    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. 2

    Adaptive metamorphic testing with contextual bandits by Spieker, Helge, Gotlieb, Arnaud

    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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    Journal Article
  3. 3

    Mutation‐Guided Metamorphic Testing of Optimality in AI Planning by Mazouni, Quentin, Gotlieb, Arnaud, Spieker, Helge, Acher, Mathieu, Combemale, Benoit

    “…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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    Journal Article
  4. 4

    Detecting Intentional AIS Shutdown in Open Sea Maritime Surveillance Using Self-Supervised Deep Learning by Bernabe, Pierre, Gotlieb, Arnaud, Legeard, Bruno, Marijan, Dusica, Sem-Jacobsen, Frank Olaf, Spieker, Helge

    “…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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    Journal Article
  5. 5

    Query-driven Qualitative Constraint Acquisition by Belaid, Mohamed-Bachir, Belmecheri, Nassim, Gotlieb, Arnaud, Lazaar, Nadjib, Spieker, Helge

    “…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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    Journal Article
  6. 6

    Learning input-aware performance models of configurable systems: An empirical evaluation by Lesoil, Luc, Spieker, Helge, Gotlieb, Arnaud, Acher, Mathieu, Temple, Paul, Blouin, Arnaud, Jézéquel, Jean-Marc

    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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    Journal Article
  7. 7

    Multi-stage evolution of single- and multi-objective MCLP by Spieker, Helge, Hagg, Alexander, Gaier, Adam, Meilinger, Stefanie, Asteroth, Alexander

    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
  8. 8

    Multi-stage evolution of single- and multi-objective MCLP: Successive placement of charging stations by Spieker, Helge, Hagg, Alexander, Gaier, Adam, Meilinger, Stefanie, Asteroth, Alexander

    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. 9

    Enhancing RL Safety with Counterfactual LLM Reasoning by Gross, Dennis, Spieker, Helge

    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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    Journal Article
  10. 10

    Safety-Oriented Pruning and Interpretation of Reinforcement Learning Policies by Gross, Dennis, Spieker, Helge

    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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    Journal Article
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    Constraint-Guided Reinforcement Learning: Augmenting the Agent-Environment-Interaction by Spieker, Helge

    “…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. 13

    Constraint-Guided Reinforcement Learning: Augmenting the Agent-Environment-Interaction by Spieker, Helge

    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. 14

    Probabilistic Model Checking of Stochastic Reinforcement Learning Policies by Gross, Dennis, Spieker, Helge

    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. 15

    Predictive Machine Learning of Objective Boundaries for Solving COPs by Spieker, Helge, Gotlieb, Arnaud

    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. 16

    Summary of: Adaptive Metamorphic Testing with Contextual Bandits by Spieker, Helge, Gotlieb, Arnaud

    “…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
  17. 17

    Learning Objective Boundaries for Constraint Optimization Problems by Spieker, Helge, Gotlieb, Arnaud

    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. 18

    Constraint-Guided Test Execution Scheduling: An Experience Report at ABB Robotics by Gotlieb, Arnaud, Mossige, Morten, Spieker, Helge

    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. 19

    Adaptive Metamorphic Testing with Contextual Bandits by Spieker, Helge, Gotlieb, Arnaud

    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. 20

    Efficient Milling Quality Prediction with Explainable Machine Learning by Gross, Dennis, Spieker, Helge, Gotlieb, Arnaud, Knoblauch, Ricardo, Elmansori, Mohamed

    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