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  • Books  (51)
  • bic Book Industry Communication::U Computing & information technology::UY Computer science  (51)
  • KIT Scientific Publishing  (51)
  • Berlin ; Heidelberg : Springer
  • Washington, DC : United States Gov. Print. Off.
  • Wuppertal : Wuppertal Institut für Klima, Umwelt, Energie
  • English  (51)
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  • Books  (51)
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  • 1
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    Physics-Based Probabilistic Motion Compensation of Elastically Deformable Objects (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2023-12-20
    Description: A predictive tracking approach and a novel method for visual motion compensation are introduced, which accurately reconstruct and compensate the deformation of the elastic object, even in the case of complete measurement information loss. The core of the methods involves a probabilistic physical model of the object, from which all other mathematical models are systematically derived. Due to flexible adaptation of the models, the balance between their complexity and their accuracy is achieved.
    Keywords: QA75.5-76.95 ; stochastic estimation ; physics-based modeling ; robotics ; distributed parameter systems ; beating heart surgery ; video processing ; probabilistic models ; bic Book Industry Communication::U Computing & information technology::UY Computer science
    Language: English
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  • 2
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    Computer science approach to quantum control (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2023-12-20
    Description: This work considers several hypothetical control processes on the nanoscopic level and show their analogy to computation processes. It shows that measuring certain types of quantum observables is such a complex task that every instrument that is able to perform it would necessarily be an extremely powerful computer.
    Keywords: QA75.5-76.95 ; Informationstheorie ; Quanteninformatik ; Berechnungskomplexität ; Komplexitätstheorie ; Hauptsatz der Thermodynamik 2 ; Quantentheorie ; Entropie ; bic Book Industry Communication::U Computing & information technology::UY Computer science
    Language: English
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  • 3
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    Deterministic Sampling for Nonlinear Dynamic State Estimation (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2023-12-20
    Description: The goal of this work is improving existing and suggesting novel filtering algorithms for nonlinear dynamic state estimation. Nonlinearity is considered in two ways: First, propagation is improved by proposing novel methods for approximating continuous probability distributions by discrete distributions defined on the same continuous domain. Second, nonlinear underlying domains are considered by proposing novel filters that inherently take the underlying geometry of these domains into account.
    Keywords: QA75.5-76.95 ; Sensordatenfusion ; Richtungsstatistik ; Directional Statistics ; Stochastische Filterung ; Sensor Data Fusion ; DichteapproximationStochastic Filtering ; Density Approximation ; bic Book Industry Communication::U Computing & information technology::UY Computer science
    Language: English
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  • 4
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    Efficient Reinforcement Learning using Gaussian Processes (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2023-12-20
    Description: This book examines Gaussian processes in both model-based reinforcement learning (RL) and inference in nonlinear dynamic systems.First, we introduce PILCO, a fully Bayesian approach for efficient RL in continuous-valued state and action spaces when no expert knowledge is available. PILCO takes model uncertainties consistently into account during long-term planning to reduce model bias. Second, we propose principled algorithms for robust filtering and smoothing in GP dynamic systems.
    Keywords: QA75.5-76.95 ; autonomous learning ; Gaussian processes ; control ; machine learning ; Bayesian inference ; bic Book Industry Communication::U Computing & information technology::UY Computer science
    Language: English
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  • 5
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    Human Pose Estimation with Implicit Shape Models (2021)
    KIT Scientific Publishing
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    Publication Date: 2023-12-20
    Description: This work presents a new approach for estimating 3D human poses based on monocular camera information only. For this, the Implicit Shape Model is augmented by new voting strategies that allow to localize 2D anatomical landmarks in the image. The actual 3D pose estimation is then formulated as a Particle Swarm Optimization (PSO) where projected 3D pose hypotheses are compared with the generated landmark vote distributions.
    Keywords: QA75.5-76.95 ; Computer vision ; Bildverarbeitung ; Human pose estimation ; action recognition ; AktionserkennungScene understanding ; Szenenverstehen ; Menschliche Posenschätzung ; bic Book Industry Communication::U Computing & information technology::UY Computer science
    Language: English
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  • 6
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    Whole-Body Affordances for Humanoid Robots: A Computational Approach (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2023-12-20
    Description: The goal of this work is the development of a novel computational formalization of whole-body affordances which is suitable for the multimodal detection and validation of interaction possibilities in unknown environments. The hierarchical framework allows the consistent fusion of affordance-related evidence and can be utilized for realizing shared autonomous control of humanoid robots. The affordance formalization is evaluated in several experiments in simulation and on real humanoid robots.
    Keywords: QA75.5-76.95 ; Kognition ; cognition ; Manipulation ; Perzeption ; robotics ; Humanoide Robotik ; humanoid robotics ; manipulation ; Robotik ; perception ; bic Book Industry Communication::U Computing & information technology::UY Computer science
    Language: English
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  • 7
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    Real-time Biomechanical Modeling for Intraoperative Soft Tissue Registration (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2023-12-20
    Description: Computer assisted surgery systems intraoperatively support the surgeon by providing information on the location of hidden risk and target structures during surgery. However, soft tissue deformations make intraoperative registration (and thus intraoperative navigation) difficult. In this work, a novel, biomechanics based approach for real-time soft tissue registration from sparse intraoperative sensor data such as stereo endoscopic images is presented to overcome this problem.
    Keywords: QA75.5-76.95 ; real-time finite elements ; soft tissue modeling ; echtzeitfähige finite Elemente ; intraoperative Navigation ; registration ; Registrierung ; intraoperative navigation ; GPU ; Weichgewebemodellierung ; GPU computing ; bic Book Industry Communication::U Computing & information technology::UY Computer science
    Language: English
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  • 8
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    Intraoperative Planning and Execution of Arbitrary Orthopedic Interventions Using Handheld Robotics and Augmented Reality (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2023-12-20
    Description: The focus of this work is a generic, intraoperative and image-free planning and execution application for arbitrary orthopedic interventions using a novel handheld robotic device and optical see-through glasses (AR). This medical CAD application enables the surgeon to intraoperatively plan the intervention directly on the patient’s bone. The glasses and all the other instruments are accurately calibrated using new techniques. Several interventions show the effectiveness of this approach.
    Keywords: QA75.5-76.95 ; Kalibrierung ; Handgehaltene Roboter ; Orthopädie ; Orthopedics ; Augmented Reality ; Handheld Robot ; Planning ; Calibration ; Planungsanwendung ; Erweiterte Realität ; bic Book Industry Communication::U Computing & information technology::UY Computer science
    Language: English
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  • 9
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    Tool-supported identification of functional concerns in object-oriented code (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2023-12-20
    Description: Concern identification aims to find the implementation of a functional concern in existing source code. In this work, concerns are described, using the Hierarchic Concern Model, as gray-boxes containing subconcerns, inputs, and outputs. The inputs and outputs are used as concern seeds to identify data-oriented abstractions of concern implementations, called concern skeletons. The identification approach is based on context free language reachability and supported by a tool, called CoDEx.
    Keywords: QA75.5-76.95 ; concern skeleton ; hierarchic concern model ; CoDEx ; concern identification ; bic Book Industry Communication::U Computing & information technology::UY Computer science
    Language: English
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  • 10
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    Automated Improvement of Software Architecture Models for Performance and Other Quality Attributes (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2023-12-20
    Description: Quality attributes, such as performance or reliability, are crucial for the success of a software system and largely influenced by the software architecture. Their quantitative prediction supports systematic, goal-oriented software design and forms a base of an engineering approach to software design. This thesis proposes a method and tool to automatically improve component-based software architecture (CBA) models based on such quantitative quality prediction techniques.
    Keywords: QA75.5-76.95 ; Software ArchitectureOptimizationQuality AttributesPerformanceModel-based Prediction ; bic Book Industry Communication::U Computing & information technology::UY Computer science
    Language: English
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  • 11
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    Flexible Application-Layer Multicast in Heterogeneous Networks (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2023-12-20
    Description: This work develops a set of peer-to-peer-based protocols and extensions in order to provide Internet-wide group communication. The focus is put to the question how different access technologies can be integrated in order to face the growing traffic load problem. Thereby, protocols are developed that allow autonomous adaptation to the current network situation on the one hand and the integration of WiFi domains where applicable on the other hand.
    Keywords: QA75.5-76.95 ; Adaptive Networks ; Wireless Communication ; Traffic Load Balancing ; Peer-to-Peer ; Application-Layer Multicast ; bic Book Industry Communication::U Computing & information technology::UY Computer science
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  • 12
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    Service-oriented design of environmental information systems (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2023-12-20
    Description: Service-orientation has an increasing impact upon the design process and the architecture of environmental information systems. This thesis specifies the SERVUS design methodology for geospatial applications based upon standards of the Open Geospatial Consortium. SERVUS guides the system architect to rephrase use case requirements as a network of semantically-annotated requested resources and to iteratively match them with offered resources that mirror the capabilities of existing services.
    Keywords: QA75.5-76.95 ; design methodology ; SERVUS ; resource orientation ; service-oriented architecture ; environmental information system ; bic Book Industry Communication::U Computing & information technology::UY Computer science
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  • 13
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    Semantic technologies for distributed information systems (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2023-12-20
    Description: In this book we show how semantic technologies and in particular the use of ontologies can be employed to address a number of typical challenges in distributed information systems: First, we illustrate how ontologies enable the integration of information across heterogeneous nodes. Second, we show how ontology evolution allows dealing with the dynamics in the information in a consistent manner. Third, we present a model for ontologybased coordination using semantic overlay networks.
    Keywords: QA75.5-76.95 ; Semantic Web ; Semantic Technologies ; Ontologies ; Information Systems ; Information Integration ; bic Book Industry Communication::U Computing & information technology::UY Computer science
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  • 14
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    Nonlinear state and parameter estimation of spatially distributed systems (2021)
    KIT Scientific Publishing
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    Publication Date: 2023-12-20
    Description: In this thesis two probabilistic model-based estimators are introduced that allow the reconstruction and identification of space-time continuous physical systems. The Sliced Gaussian Mixture Filter (SGMF) exploits linear substructures in mixed linear/nonlinear systems, and thus is well-suited for identifying various model parameters. The Covariance Bounds Filter (CBF) allows the efficient estimation of widely distributed systems in a decentralized fashion.
    Keywords: QA75.5-76.95 ; sensor network ; nonlinear estimation ; distributed-parameter system ; bic Book Industry Communication::U Computing & information technology::UY Computer science
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  • 15
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    Modeling and Prediction of I/O Performance in Virtualized Environments (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2023-12-20
    Description: We present a novel performance modeling approach tailored to I/O performance prediction in virtualized environments. The main idea is to identify important performance-influencing factors and to develop storage-level I/O performance models. To increase the practical applicability of these models, we combine the low-level I/O performance models with high-level software architecture models. Our approach is validated in a variety of case studies in state-of-the-art, real-world environments.
    Keywords: QA75.5-76.95 ; Modell ; Vorhersage ; Performanz ; Prediction ; I/O ; VirtualisierungModel ; Performance ; Virtualization ; bic Book Industry Communication::U Computing & information technology::UY Computer science
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  • 16
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    New Methods to Improve Large-Scale Microscopy Image Analysis with Prior Knowledge and Uncertainty (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2023-12-20
    Description: Multidimensional imaging techniques provide powerful ways to examine various kinds of scientific questions. The routinely produced data sets in the terabyte-range, however, can hardly be analyzed manually and require an extensive use of automated image analysis. The present work introduces a new concept for the estimation and propagation of uncertainty involved in image analysis operators and new segmentation algorithms that are suitable for terabyte-scale analyses of 3D+t microscopy images.
    Keywords: QA75.5-76.95 ; 3D Bildanalyse ; Algorithms ; Software3D Image Analysis ; Algorithmen ; Data Mining ; Entwicklungsbiologie ; Software ; Developmental Biology ; bic Book Industry Communication::U Computing & information technology::UY Computer science
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  • 17
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    Advancing Electromyographic Continuous Speech Recognition: Signal Preprocessing and Modeling (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2023-12-20
    Description: Speech is the natural medium of human communication, but audible speech can be overheard by bystanders and excludes speech-disabled people. This work presents a speech recognizer based on surface electromyography, where electric potentials of the facial muscles are captured by surface electrodes, allowing speech to be processed nonacoustically. A system which was state-of-the-art at the beginning of this book is substantially improved in terms of accuracy, flexibility, and robustness.
    Keywords: QA75.5-76.95 ; Spracherkennung ; Speech Recognition ; Biosignals ; Silent Speech Interfaces ; Electromyography ; Elektromyographie ; Biosignale ; bic Book Industry Communication::U Computing & information technology::UY Computer science
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  • 18
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    Coupled model transformations for QoS enabled component-based software design (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2023-12-20
    Description: This thesis presents the Palladio Component Model and its accompanying transformations for component-based software design with predictable performance attributes. The use of transformations results in a deterministic relationship between the model and its implementation. The introduced Coupled Transformations method uses this relationship to include implementation details into predictions to get better predictions. The approach is validated in several case studies showing the increased accuracy.
    Keywords: QA75.5-76.95 ; performance prediction ; model-driven software development ; Palladio Component Model ; component-based software development ; Coupled Transformations ; bic Book Industry Communication::U Computing & information technology::UY Computer science
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  • 19
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    Parameter dependencies for reusable performance specifications of software components (2021)
    KIT Scientific Publishing
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    Publication Date: 2023-12-20
    Description: To avoid design-related per­for­mance problems, model-driven performance prediction methods analyse the response times, throughputs, and re­source utilizations of software architectures before and during implementation. This thesis proposes new modeling languages and according model transformations, which allow a reusable description of usage profile dependencies to the performance of software components. Predictions based on this new methods can support performance-related design decisions.
    Keywords: QA75.5-76.95 ; Performance Engineering ; Simulation ; Software Component ; Model-driven Software Development ; Software Architecture ; bic Book Industry Communication::U Computing & information technology::UY Computer science
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  • 20
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    Nonlinear Gaussian Filtering : Theory, Algorithms, and Applications (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2023-12-20
    Description: By restricting to Gaussian distributions, the optimal Bayesian filtering problem can be transformed into an algebraically simple form, which allows for computationally efficient algorithms. Three problem settings are discussed in this thesis: (1) filtering with Gaussians only, (2) Gaussian mixture filtering for strong nonlinearities, (3) Gaussian process filtering for purely data-driven scenarios. For each setting, efficient algorithms are derived and applied to real-world problems.
    Keywords: QA75.5-76.95 ; Zustandsschätzung ; GaußprozesseBayesian statistics ; Kalman filter ; Gaussian processes ; Kalman-Filter ; state estimation ; filtering ; Bayes'sche Statistik ; bic Book Industry Communication::U Computing & information technology::UY Computer science
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  • 21
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    Haptic Guidance for Extended Range Telepresence (2021)
    KIT Scientific Publishing
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    Publication Date: 2023-12-20
    Description: A novel navigation assistance for extended range telepresence is presented. The haptic information from the target environment is augmented with guidance commands to assist the user in reaching desired goals in the arbitrarily large target environment from the spatially restricted user environment. Furthermore, a semi-mobile haptic interface was developed, one whose lightweight design and setup configuration atop the user provide for an absolutely safe operation and high force display quality.
    Keywords: QA75.5-76.95 ; Telepresence ; Haptic Interface ; Assistance Systems ; Teleoperation ; Haptic Guidance ; bic Book Industry Communication::U Computing & information technology::UY Computer science
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  • 22
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    Relational exploration. Combining description logics and formal concept analysis for knowledge specification (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2023-12-20
    Description: This work introduces Relational Exploration, a method for acquiring complete relational knowledge about a domain of interest by successively consulting a domain expert without ever asking redundant questions. This is achieved by combining Description Logics (DL) and Formal Concept Analysis (FCA): DL formalisms are used for defining FCA attributes while FCA exploration techniques are deployed to obtain or refine DL knowledge specifications.
    Keywords: QA75.5-76.95 ; Semantic Web ; Wissensmanagement ; Verbandstheorie ; Formale Begriffsanalyse ; Data Mining ; Terminologische Logik ; bic Book Industry Communication::U Computing & information technology::UY Computer science
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  • 23
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    Evolutionary computation in stochastic environments (2021)
    KIT Scientific Publishing
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    Publication Date: 2023-12-20
    Description: This book develops efficient methods for the application of Evolutionary Algorithms on stochastic problems. To achieve this, procedures for statistical selection are systematically analyzed with respect to different measures and significantly improved. It is shown how to adapt one of the best procedures for the needs of Evolutionary Algorithms and Evolutionary operators for efficient implementation in stochastic environments are identified.
    Keywords: QA75.5-76.95 ; Evolutionary Algorithm ; Uncertainty ; Simulation based optimization ; Bayes ; Ranking & Selection ; Genetic Algorithms ; bic Book Industry Communication::U Computing & information technology::UY Computer science
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  • 24
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    Flexible Views for View-based Model-driven Development (2021)
    KIT Scientific Publishing
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    Publication Date: 2023-12-20
    Description: Modern software development faces the problem of fragmentation of information across heterogeneous artefacts in different modelling and programming languages. In this dissertation, the Vitruvius approach for view-based engineering is presented. Flexible views offer a compact definition of user-specific views on software systems, and can be defined the novel ModelJoin language. The process is supported by a change metamodel for metamodel evolution and change impact analysis.
    Keywords: QA75.5-76.95 ; View-based Engineering ; Modellgetriebene Software-Entwicklung ; ModelJoin ; Model-Driven Software Development ; Sichtenbasierte Entwicklung ; Vitruvius ; bic Book Industry Communication::U Computing & information technology::UY Computer science
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  • 25
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    Automated Experiments for Deriving Performance-relevant Properties of Software Execution Environments (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2023-12-20
    Description: The software execution environment can play a crucial role when analyzing the performance of a software system. In this book, a novel approach for the automated detection of performance-relevant properties of the execution environment is presented. The properties are detected using predefined experiments and integrated into performance prediction tools. The approach is applied to experiments for detecting different CPU, OS, and virtualization properties, and validated in different case studies.
    Keywords: QA75.5-76.95 ; Execution Environment ; Measurements ; Experiments ; Metamodel ; Software Performance Prediction ; bic Book Industry Communication::U Computing & information technology::UY Computer science
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  • 26
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    Helmholtz Portfolio Theme Large-Scale Data Management and Analysis (LSDMA) (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2023-12-20
    Description: The Helmholtz Association funded the ""Large-Scale Data Management and Analysis"" portfolio theme from 2012-2016. Four Helmholtz centres, six universities and another research institution in Germany joined to enable data-intensive science by optimising data life cycles in selected scientific communities. In our Data Life cycle Labs, data experts performed joint R&D together with scientific communities. The Data Services Integration Team focused on generic solutions applied by several communities.
    Keywords: QA75.5-76.95 ; Data Science ; Datenlebenszyklus ; Datenmanagement ; data management ; data analysis ; data science ; Big Data ; Datenanalyse ; data life cycle ; bic Book Industry Communication::U Computing & information technology::UY Computer science
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  • 27
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    Optimal Sequence-Based Control of Networked Linear Systems (2021)
    KIT Scientific Publishing
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    Publication Date: 2023-12-20
    Description: In Networked Control Systems (NCS), components of a control loop are connected by data networks that may introduce time-varying delays and packet losses into the system, which can severly degrade control performance. Hence, this book presents the newly developed S-LQG (Sequence-Based Linear Quadratic Gaussian) controller that combines the sequence-based control method with the well-known LQG approach to stochastic optimal control in order to compensate for the network-induced effects.
    Keywords: QA75.5-76.95 ; Paketverluste ; Networked Control Systems (NCS) ; sequence-based control ; Optimale Regelung ; Sequenzbasierte Regelung ; optimal control ; packet losses ; time delays ; Vernetzte Regelungssysteme (NCS) ; Zeitverzögerungen ; bic Book Industry Communication::U Computing & information technology::UY Computer science
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  • 28
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    Hybrid routing in delay tolerant networks (2021)
    KIT Scientific Publishing
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    Publication Date: 2023-12-20
    Description: This work addresses the integration of today's infrastructure-based networks with infrastructure-less networks. The resulting Hybrid Routing System allows for communication over both network types and can help to overcome cost, communication, and overload problems. Mobility aspect resulting from infrastructure-less networks are analyzed and analytical models developed. For development and deployment of the Hybrid Routing System an overlay-based framework is presented.
    Keywords: QA75.5-76.95 ; Mobility Modeling ; Mobile Networks ; Overlay Networks ; Hybrid Routing ; Delay Tolerant Networks ; bic Book Industry Communication::U Computing & information technology::UY Computer science
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  • 29
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    Floquet Theory for a Class of Periodic Evolution Equations in an Lp-Setting (2021)
    KIT Scientific Publishing
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    Publication Date: 2023-12-20
    Description: In this work we explore the Floquet theory for evolution equations of the form u'(t)+A_t u(t)=0 (t real) where the operators A_t periodically depend on t and the function u takes values in a UMD Banach space X.We impose a suitable condition on the operator family (A_t) and their common domain, in particular a decay condition for certain resolvents, to obtain the central result that all exponentially bounded solutions can be described as a superposition of a fixed family of Floquet solutions.
    Keywords: QA75.5-76.95 ; Bloch solution ; Lp setting ; Floquet theory ; periodic evolution equation ; superposition principle ; bic Book Industry Communication::U Computing & information technology::UY Computer science
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  • 30
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    Privacy-Respecting Smart Video Surveillance Based on Usage Control Enforcement (2021)
    KIT Scientific Publishing
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    Publication Date: 2023-12-20
    Description: This research introduces a conceptual framework for enforcing privacy-related restrictions in smart video surveillance systems based on danger levels and incident types to be handled. It increases the selectivity of surveillance by restricting data processing to individuals associated to incidents under investigation. Constraints are enforced by usage control, which is instantiated for video surveillance for the first time and enables tailoring such systems to comply with data protection law.
    Keywords: QA75.5-76.95 ; Privacy ; Anonymization ; AnonymisierungSmart Video Surveillance ; Data Protection ; Nutzungskontrolle ; Usage Control ; Datenschutz ; Intelligente Videoüberwachung ; bic Book Industry Communication::U Computing & information technology::UY Computer science
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  • 31
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    An Access Definition and Query Language : Towards a Unified Access Control Model (2021)
    KIT Scientific Publishing
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    Publication Date: 2023-12-20
    Description: In this work we suggest a meta access control model emulating established access control models by configuration and offering enhanced features like the delegation of rights, ego-centered roles, and decentralized administration. The suggested meta access control model is named ''Access Definition and Query Language'' (ADQL). ADQL is represented by a formal, context-free grammar allowing to express the targeted access control model, policies, facts, and access queries as a formal language.
    Keywords: QA75.5-76.95 ; Policy ; Access Control Model ; Security ; Meta Access Control ; bic Book Industry Communication::U Computing & information technology::UY Computer science
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  • 32
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    Efficient Algorithms for Large-Scale Image Analysis (2021)
    KIT Scientific Publishing
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    Publication Date: 2023-12-20
    Description: This work develops highly efficient algorithms for analyzing large images. Applications include object-based change detection and screening. The algorithms are 10-100 times as fast as existing software, sometimes even outperforming FGPA/GPU hardware, because they are designed to suit the computer architecture. This thesis describes the implementation details and the underlying algorithm engineering methodology, so that both may also be applied to other applications.
    Keywords: QA75.5-76.95 ; image processing ; algorithm engineering ; SIMD ; image analysis ; lossless image compression ; bic Book Industry Communication::U Computing & information technology::UY Computer science
    Language: English
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    Efficiently Conducting Quality-of-Service Analyses by Templating Architectural Knowledge (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2023-12-20
    Description: Previously, software architects were unable to effectively and efficiently apply reusable knowledge (e.g., architectural styles and patterns) to architectural analyses. This work tackles this problem with a novel method to create and apply templates for reusable knowledge. These templates capture reusable knowledge formally and can efficiently be integrated in architectural analyses.
    Keywords: QA75.5-76.95 ; Architekturwissen ; Pattern ; Schablonen ; architectural analysis ; Architekturbewertung ; templates ; patterns ; Templates ; styles ; architectural knowledge ; bic Book Industry Communication::U Computing & information technology::UY Computer science
    Language: English
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    Weighted Statistical Testing based on Active Learning and Formal Verification Techniques for Software Reliability Assessment (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2023-12-20
    Description: This work developed an automatic approach for the assessment of software reliability which is both theoretical sound and practical. The developed approach extends and combines theoretical sound approaches in a novel manner to systematically reduce the overhead of reliability assessment.
    Keywords: QA75.5-76.95 ; Software Development ; Software Reliability ; Zuverlässigkeit ; Statistisches Testen ; Software-Entwicklung ; Statistical Testing ; bic Book Industry Communication::U Computing & information technology::UY Computer science
    Language: English
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  • 35
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    Deriving Goal-oriented Performance Models by Systematic Experimentation (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2023-12-20
    Description: Performance modelling can require substantial effort when creating and maintaining performance models for software systems that are based on existing software. Therefore, this thesis addresses the challenge of performance prediction in such scenarios. It proposes a novel goal-oriented method for experimental, measurement-based performance modelling. We validated the approach in a number of case studies including standard industry benchmarks as well as a real development scenario at SAP.
    Keywords: QA75.5-76.95 ; Performance Software Engineering ModellierungPerformance Engineering Software Modeling ; bic Book Industry Communication::U Computing & information technology::UY Computer science
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  • 36
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    Concept and Design of a Hand-held Mobile Robot System for Craniotomy (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2023-12-20
    Description: This work demonstrates a highly intuitive robot for Surgical Craniotomy Procedures. Utilising a wheeled hand-held robot, to navigate the Craniotomy Drill over a patient's skull, the system does not remove the surgeons from the procedure, but supports them during this critical phase of the operation.
    Keywords: QA75.5-76.95 ; Craniosynostosis ; Craniotomy ; Wheeled Robot ; Medical Robot ; bic Book Industry Communication::U Computing & information technology::UY Computer science
    Language: English
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  • 37
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    Tracking Extended Objects with Active Models and Negative Measurements (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2023-12-20
    Description: Extended object tracking deals with estimating the shape and pose of an object based on noisy point measurements. This task is not straightforward, as we may be faced with scarce low-quality measurements, little a priori information, or we may be unable to observe the entire target. This work aims to address these challenges by incorporating ideas from active contours and exploiting information from negative measurements, which tell us where the target cannot be.
    Keywords: QA75.5-76.95 ; Extended Objects ; Tracking ; Active Models ; Aktive Modelle ; Bilddatenverarbeitung ; Computer Vision ; Negative Information ; Ausgedehnte Objekte ; bic Book Industry Communication::U Computing & information technology::UY Computer science
    Language: English
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  • 38
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    Inter-vehicle communications - achieving safety in a distributed wireless environment. Challenges, systems and protocols (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2023-12-20
    Description: This thesis contributes to the development of inter-vehicle communications with the goal of enhancing vehicular active safety. The wireless technology IEEE 802.11p is analyzed with an extended network simulator. As a result, challenges and design criteria for vehicular communication systems are defined. Finally, strategies for channel congestion avoidance and information dissemination are proposed, constituting a robust design to cope with unreliable and saturated wireless channel conditions.
    Keywords: QA75.5-76.95 ; Netzwerksimulation ; Fairness 〈Informatik〉 ; VANET ; Drahtloses lokales Netz ; Ad-hoc-Netz ; bic Book Industry Communication::U Computing & information technology::UY Computer science
    Language: English
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  • 39
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    Learning Dynamic Systems for Intention Recognition in Human-Robot-Cooperation (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2023-12-20
    Description: This thesis is concerned with intention recognition for a humanoid robot and investigates how the challenges of uncertain and incomplete observations, a high degree of detail of the used models, and real-time inference may be addressed by modeling the human rationale as hybrid, dynamic Bayesian networks and performing inference with these models. The key focus lies on the automatic identification of the employed nonlinear stochastic dependencies and the situation-specific inference.
    Keywords: QA75.5-76.95 ; Intention Recognition ; Dynamic Systems ; (Conditional) Density Estimation ; Regularization ; Human-Robot-Cooperation ; bic Book Industry Communication::U Computing & information technology::UY Computer science
    Language: English
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  • 40
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    Dynamic Network Notation: A Graphical Modeling Language to Support the Visualization and Management of Network Effects in Service Platforms (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2023-12-20
    Description: Service platforms have moved into the center of interest in both academic research and the IT industry due to their economic and technical impact. These multitenant platforms provide own or third party software as metered, on-demand services. Corresponding service offers exhibit network effects. The present work introduces a graphical modeling language to support service platform design with focus on the exploitation of these network effects.
    Keywords: QA75.5-76.95 ; Control Theory ; Graphical Modeling Language ; Network Effects ; Service Platforms ; bic Book Industry Communication::U Computing & information technology::UY Computer science
    Language: English
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  • 41
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    Specification Languages for Preserving Consistency between Models of Different Languages (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2023-12-20
    Description: When complex IT systems are being developed, the usage of several programming and modelling languages can lead to inconsistencies that yield faulty designs and implementations. To address this problem, this work contributes a classification of consistency preservation challenges and an approach for preserving consistency. It is formalized using set theory and monitors changes to avoid matching and diffing problems. Three new languages that follow this preservation approach are presented.
    Keywords: QA75.5-76.95 ; Model Transformation Consistency Synchronisation Language ; Modell Transformation Konsistenz Synchronisierung Sprache ; bic Book Industry Communication::U Computing & information technology::UY Computer science
    Language: English
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  • 42
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    Realtime Analysis of Large-Scale Data (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2023-12-20
    Description: In photon science more and more data are taken. It is not possible anymore to store and process all data offline. In this book, we explore strategies for handling this large amount of data. A neural network as well as techniques from image processing are used to efficiently categorize and select useful data. We also indicate why many sophisticated algorithms cannot be used in this context. In addition, a prototype for data selection is presented, discussed, and benchmarked.
    Keywords: QA75.5-76.95 ; nanocrystalligraphy ; image-processing ; signalverarbeitungbig data ; signal-processing ; nanokristallographie ; echtzeitverarbeitung ; real-time-processing ; big data ; bildverarbeitung ; bic Book Industry Communication::U Computing & information technology::UY Computer science
    Language: English
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  • 43
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    Moving Object Detection and Segmentation for Remote Aerial Video Surveillance (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2023-12-20
    Description: Unmanned Aerial Vehicles (UAVs) equipped with video cameras are a flexible support to ensure civil and military safety and security. In this thesis, a video processing chain is presented for moving object detection in aerial video surveillance. A Track-Before-Detect (TBD) algorithm is applied to detect motion that is independent of the camera motion. Novel robust and fast object detection and segmentation approaches improve the baseline TBD and outperform current state-of-the-art methods.
    Keywords: QA75.5-76.95 ; Automatische Videoüberwachung ; Object Detection ; Independent Motion Detection ; Bewegungsdetektion bei bewegter Kamera ; MultiobjekttrackingAutomatic Video Surveillance ; Multiple Object Tracking ; Track-Before-Detect ; Objektdetektion ; bic Book Industry Communication::U Computing & information technology::UY Computer science
    Language: English
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  • 44
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    Reconstruction of Software Component Architectures and Behaviour Models using Static and Dynamic Analysis (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2023-12-20
    Description: Model-based performance prediction systematically deals with the evaluation of software performance to avoid for example bottlenecks, estimate execution environment sizing, or identify scalability limitations for new usage scenarios. Such performance predictions require up-to-date software performance models. This book describes a new integrated reverse engineering approach for the reconstruction of parameterised software performance models (software component architecture and behaviour).
    Keywords: QA75.5-76.95 ; Reengineering ; Component-Based Software Architecture ; Performance Model ; Reverse Engineering ; bic Book Industry Communication::U Computing & information technology::UY Computer science
    Language: English
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  • 45
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    Integrated Software Architecture-Based Reliability Prediction for IT Systems (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2023-12-20
    Description: With the increasing importance of reliability in business and industrial IT systems, new techniques for architecture-based software reliability prediction are becoming an integral part of the development process. This dissertation thesis introduces a novel reliability modelling and prediction technique that considers the software architecture with its component structure, control and data flow, recovery mechanisms, its deployment to distributed hardware resources and the system´s usage profile.
    Keywords: QA75.5-76.95 ; Software ReliabilitySoftware ArchitectureDesign-Time Reliability PredictionComponent-Based Software Development ; bic Book Industry Communication::U Computing & information technology::UY Computer science
    Language: English
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  • 46
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    Architectural Design Decision Documentation through Reuse of Design Patterns (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2023-12-20
    Description: The ADMD3 approach presented in this book enchances the architectural design documentation of decision via reuse of design patterns. It combines the support for evaluation of pattern application, semi-automated documentation of decision rationale and trace links. The approach is based on a new kind of design pattern catalogue, whereby usual pattern descriptions are captured together with question annotations to the patterns and information on architectural structure of patterns.
    Keywords: QA75.5-76.95 ; Dokumentation von Entwurfsentscheidungen ; EntwurfsmusterkatalogSoftware Architecture ; Software Architektur ; Software Design Patterns ; Design Decision Documentation ; Software Entwurfsmuster ; Design Rationale ; Design Pattern Catalogue ; Entwurfsbegründung ; bic Book Industry Communication::U Computing & information technology::UY Computer science
    Language: English
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    A Contribution to Resource-Aware Architectures for Humanoid Robots (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2023-12-20
    Description: The goal of this work is to provide building blocks for resource-aware robot architectures. The topic of these blocks are data-driven generation of context-sensitive resource models, prediction of future resource utilizations, and resource-aware computer vision and motion planning algorithms. The implementation of these algorithms is based on resource-aware concepts and methodologies originating from the Transregional Collaborative Research Center ""Invasive Computing"" (SFB/TR 89).
    Keywords: QA75.5-76.95 ; Invasive Computing ; Vorhersage ; Ressourcenmodelle ; Motion Planning ; Prediction ; Resourcemodels ; Robotik ; Bewegungsplanung ; Robotics ; bic Book Industry Communication::U Computing & information technology::UY Computer science
    Language: English
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    Avoiding Unintended Flows of Personally Identifiable Information : Enterprise Identity Management and Online Social Networks (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2023-12-20
    Description: This work addresses potentially occurring unintended flows of personally identifiable information (PII) within two fields of research, i.e., enterprise identity management and online social networks. For that, we investigate which pieces of PII can how often be gathered, correlated, or even be inferred by third parties that are not intended to get access to the specific pieces of PII. Furthermore, we introduce technical measures and concepts to avoid unintended flows of PII.
    Keywords: QA75.5-76.95 ; Big Data Analytics ; Enterprise Identity and Access Management ; Online Social Networks ; SAML ; Facebook ; bic Book Industry Communication::U Computing & information technology::UY Computer science
    Language: English
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    Video-to-Video Face Recognition for Low-Quality Surveillance Data (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2023-12-20
    Description: The availability of video data is an opportunity and a challenge for law enforcement agencies. Face recognition methods can play a key role in the automated search for persons in the data. This work targets efficient representations of low-quality face sequences to enable fast and accurate face search. Novel concepts for multi-scale analysis, dataset augmentation, CNN loss function, and sequence description lead to improvements over state-of-the-art methods on surveillance video footage.
    Keywords: QA75.5-76.95 ; face ; recognition ; video ; Videoverarbeitung ; Gesichtswiederkennung ; bic Book Industry Communication::U Computing & information technology::UY Computer science
    Language: English
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    Lazy Evaluation: From natural semantics to a machine-checked compiler transformation (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2023-12-20
    Description: In order to solve a long-standing problem with list fusion, a new compiler transformation, “Call Arity” is developed and implemented in the Haskell compiler GHC. It is formally proven to not degrade program performance; the proof is machine-checked using the interactive theorem prover Isabelle. To that end, a formalization of Launchbury’s Natural Semantics for Lazy Evaluation is modelled in Isabelle, including a correctness and adequacy proof.
    Keywords: QA75.5-76.95 ; Funktionale Programmierung Formale Verifikation Semantik Isabelle HaskellFunctional Programming Semantics Formal Verification Haskell Isabelle ; bic Book Industry Communication::U Computing & information technology::UY Computer science
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    The impact of inter-vehicle communication on vehicular traffic (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2023-12-20
    Description: The work addresses communication networks established over radio equipped vehicles in our everyday road traffic, so called Vehicular Ad Hoc Networks (VANETs), and discusses their impact on two major goals, namely traffic safety and traffic efficiency. For both objectives, the thesis proposes an appropriate modeling of the essential building blocks Traffic, Communication and Application and enables impact assessment studies by means of implemented simulation tools.
    Keywords: QA75.5-76.95 ; Simulation ; VANET ; Modeling ; bic Book Industry Communication::U Computing & information technology::UY Computer science
    Language: English
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