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  • 1
    Online Resource
    Online Resource
    San Diego :Elsevier Science & Technology,
    Keywords: Expert systems (Computer science) -- Congresses. ; Electronic books.
    Type of Medium: Online Resource
    Pages: 1 online resource (471 pages)
    Edition: 1st ed.
    ISBN: 9780444598882
    Language: English
    Note: Front Cover -- Artificial Intelligence, Expert Systems and Symbolic Computing -- Copyright Page -- Table of Contents -- Preface -- Contributors -- Part 1: A1 Techniques -- Chapter 1. Modelling Physical Systems -- Abstract -- 1. INTRODUCTION -- 2. SYSTEM OUTLINE -- 3. RELATED WORK -- 4. QUALITATIVE REASONING -- 5. QUALITATIVE CAUSAL NETWORKS -- 6. CONCLUSIONS -- Acknowledgements -- References -- Chapter 2. A Fuzzy Logic Based Technique for Fault Detection in Complex Engineering Systems -- Abstract -- 1. INTRODUCTION -- 2. IDENTIFICATION OF STRUCTURE -- 3. FAULT DETECTION IN FUZZY SYSTEMS -- 4. CONCLUSIONS -- 5. REFERENCES -- 6. ACKNOWLEDGEMENTS -- Chapter 3. The event calculus: a logic-based computational formalism for reasoning about change -- Abstract -- I. INTRODUCTION -- 2. EXAMPLES OF EVENTS AND STATES -- 3. EXAMPLES OF DERIVING STATES FROM EVENTS -- 4 . A GENERAL EVENT CALCULUS RULE FOR DERIVING STATES FROM EVENTS -- 5 . AN HYPOTHETICAL APPLICATION TO COMPUTER-AIDED MANUFACTURING -- 6. CONCLUSION -- ACKNOWLEDGEMENTS -- 7. REFERENCES -- Chapter 4. A relation between isometries and the relative consistency concept in probabilistic logic -- Abstract -- 1. INTRODUCTION -- 2. THE CONSISTENCY AND PROBABILITY CONCEPT -- 3. THE ALGEBRAIC AND GEOMETRIC INTERPRETATION -- 4. THE USE OF THE INFINITE NORM : L∞(x ) = MAX I xi I -- 5. THE USE OF THE LI NORM: L(x)= I Xi I -- 6. THE LI ISOMETRIES -- 7. THE USE OF THE L2 NORM: L2(x) = ( Zxi2 )1/2 -- 8. THE L2 ISOMETRIES -- 9. CONCLUSION -- 10. REFERENCES -- Chapter 5. Dealing with Granularities using Uniform Event Calculus -- Abstract -- 1. Introduction -- 2. Granularity and Grains -- 3. Uniform Event Calculus -- Conclusion -- Acknowledgements -- References -- Part 2: Knowledge Bases -- Chapter 6. A KNOWLEDGE-BASED SIMULATION SERVER -- ABSTRACT -- 1. INTRODUCTION. , 2. SIMULATION SERVER DEFINITION AND STRUCTURE -- 3. IMPLEMENTATION ASPECTS -- 4. COMMUNICATION SYSTEM EXAMPLE -- 5. CONCLUSIONS -- 6. REFERENCES -- Chapter 7. Knowledge acquisition and hierarchical structures for modelling and simulation -- Abstract -- 1. INTRODUCTION -- 2. KNOWLEDGE-BASE REPRESENTATION -- 3. MAIN FEATURES OF KAM -- 4. CONSTRUCTION OF HIERARCHICAL MODELS USING KAM -- 5. CONCLUSIONS -- 6. REFERENCES -- Chapter 8. Acquisition of Application Specific Knowledge for Configuring Monitoring and Diagnosis Systems -- Abstract -- 1. Introduction -- 2. Data Structure of the Application Specific Knowledge Base (ASKB) -- 3. Software Structure of the IDP -- 4. Examples -- 5. Summary -- Acknowledgements -- References -- Part 3: Problem Solving Environments for Scientific Computing -- Chapter 9. Construction of Large-scale Simulation Codes using ALPAL: Generation of a Hydrodynamics Code Module -- Abstract -- 1. INTRODUCTION -- 2. ALPAL AND LARGE SIMULATION CODES -- 3. ALPAL'S INPUT STAGE -- 4. ALPAL OUTPUT AND SIMULATION RESULTS -- 5. CONCLUSIONS -- 7. REFERENCES -- 8. APPENDIX -- Chapter 10. The engineering of modern interfaces for PDE solvers -- Abstract -- 1. INTRODUCTION -- 2. SYSTEM ARCHITECTURE -- 3. PRINCIPAL TECHNICAL CHALLENGES -- 4. REFERENCES -- Chapter 11. Modeling tasks and methods in a knowledge-based PDE solver -- Abstract -- 1. INTRODUCTION -- 2. CLASS-BASED KNOWLEDGE MODELING -- 3. INSTANCE CLASSIFICATION AS A REASONING PROCESS -- 4. METHOD MODELING -- 5. TASK MODELING -- 6. CONCLUSION -- REFERENCES -- Chapter 12. Computational steering in a distributed computer based user interface system -- Abstract -- 1. INTRODUCTION -- 2. A USER VIEW OF SCENE -- 3. COMPUTATIONAL STEERING IN DIFFERENTIAL EQUATION SOLUTION -- 4. USER SPECIFIED FILTERS -- 5. CONCLUSIONS -- 6. REFERENCES -- 7. ACKNOWLEDGMENT. , Chapter 13. A Knowledge-based Modelling Environment for Numerical Simulation -- Abstract -- 1. INTRODUCTION -- 2. SOLUTION PERSPECTIVES FOR NUMERICAL SIMULATION -- 3. KNOWLEDGE REPRESENTATION -- 4. MODEL TRANSFORMATIONS -- 5. IMPLEMENTATION AND CURRENT STATUS -- 6. CONCLUSIONS -- Acknowledgements -- References -- Chapter 14. An Interactive Session with a Knowledge Based System for Mathematical Software Selection -- Abstract -- 1. INTRODUCTION -- 2. THE CONTROL ALGORITHM -- 3. AN INTERACTIVE SESSION WITH SAIVS -- 4. CONCLUSIONS -- 5. REFERENCES -- Chapter 15. XELLPACK: A Distributed Problem Solving Environment for Elliptic Partial Differential Equations -- Abstract -- 1. INTRODUCTION -- 2. XELLPACK -- 3. Distributed XELLPACK -- 4. Preliminary Performance Results -- 5. Conclusions -- 6. REFERENCES -- Chapter 16. A programming environment for distributed memory computers - application to scientific computing -- Abstract -- 1. INTRODUCTION -- 2. GENERAL PROGRAMMING FRAME -- 3. THE SIMULATION MODE AND ITS WORKING -- 4. CONCLUSION -- REFERENCES -- Part 4: Symbolic Computing -- Chapter 17. Algorithms of mixed symbolic-numeric type for rational approximation -- Abstract -- 1 Introduction -- 2 Recursive alogrithms -- 3 Some numerical demonstrations -- References -- Chapter 18. Nonlinear Control System Analysis and Design with Maple -- Abstract -- 1 INTRODUCTION -- 2 LOCAL OBSERVABILITY -- 3 LINEARIZING STATE-FEEDBACK -- 4 NONLINEAR OBSERVER -- 5 THE ZERO DYNAMICS -- 6 CONCLUSIONS -- Acknowledgements -- References -- Chapter 19. Some Applications of Maple to Mathematical, Scientific and Engineering Problems -- Abstract -- 1. INTRODUCTION -- 2. PURE MATHEMATICS - The First Case of Fermât's Last Theorem -- 3. QUANTUM THEORY -- 4. RELATIVITY -- 5. FLUID MECHANICS -- 6. AUDIO ENGINEERING -- 7. ASBESTOS FIBER ANALYSIS - (Fluid and Magneto-Dynamics). , 8· CONCLUSIONS -- ACKNOWLEDGEMENTS -- References -- Chapter 20. ELSA : Coupling numerical and symbolic simulation for avalanche path analysis -- Abstract -- 1. INTRODUCTION -- 2. AVALANCHE PATH ANALYSIS -- 3. FOUR PHENOMENA -- 4. INTEGRATION -- 5. CONCLUSION -- 6. ACKNOWLEDGEMENTS -- 7. REFERENCES -- Chapter 21. Resultant based code generation for the stability analysis of difference schemes with the aid of the REDUCE system -- Abstract -- 1. INTRODUCTION -- 2. REDUCTION OF THE VON NEUMANN STABILITY ANALYSIS TO THE ALGEBRA OF RESULTANTS -- 3. AUTOMATIC GENERATION OF FORTRAN SUBROUTINE -- 4. NUMERICAL COMPUTATION OF THE STABILITY REGION BOUNDARY -- 5. EXAMPLES OF PRACTICAL APPLICATION -- 6. CONCLUSION -- References -- Part 5: Computational Geometry -- Chapter 22. A Computational Geometric Approach to Motion Synthesis -- Abstract -- 1 INTRODUCTION -- 2 THE ORIENTED MAPPING -- 3 INTERPOLATING ROTATIONS -- 4 SPHERICAL KITE MOTION -- 5 DESIGN SYNTHESIS OF A KITE LINKAGE -- CONCLUSIONS -- Acknowledgement -- References -- Chapter 23. Geometry based representations for mechanical design: Creation of optimization shells -- Abstract -- 1 GEOMETRY BASED REPRESENTATIONS -- 2 THE DESIGN PROCESS -- 3 OPTIMIZATION SHELLS -- 4 REFERENCES -- Chapter 24. Scattered Data Fitting Using a Constrained Delaunay Triangulation -- Abstract -- 1. INTRODUCTION -- 2. GRADIENTS AND VALUES AT CONSTRAINT NODES -- 3. APPLICATIONS -- 4. REFERENCES -- Chapter 25. Three-Dimensional Boundary-Constrained Triangulations -- Abstract -- 1 Introduction -- 2 The case of at least one interior mesh vertex -- 3 The case of no interior mesh vertices -- 4 Experimental results -- 5 Acknowledgment -- References -- Chapter 26. Tetrahedral Mesh Generation by a Constrained Delaunay Triangulation -- Abstract -- 1. INTRODUCTION -- 2. CONSTRAINED DELAUNAY TRIANGULATION -- 3. ALGORITHM EFFICIENCY. , 4. POINT PLACEMENT -- 5. DEGENERACIES -- 6. RESULTS -- 7. ACKNOWLEDGMENT -- 8. REFERENCES -- Chapter 27. Automatic Delaunay/Dirichlet Unstructured Mesh Generation for the Solution of Partial Differential Equations -- Abstract -- 1. DELAUNAY/DIRICHLET TESSELLATIONS -- 2. BOUNDARY DEFINITION -- 3. INTERIOR POINT PLACEMENT -- 4. WEIGHT FUNCTIONS -- 5. MESH QUALITY -- References -- Part 6: Computational Vision -- Chapter 28. Invariance and Synthesis of Optimum Image Formation Measurement Computer Systems -- Abstract -- 1. INTRODUCTION -- 2. INVARIANT IMAGE REGISTRATION SYSTEMS -- 3. OPTIMUM MEASUREMENT COMPUTER SYSTEMS -- 4. EXAMPLES OF INVARIANT MEASUREMENT SYSTEMS -- 5, IMPLEMENTATION -- 6. CONCLUSIONS -- 7. REFERENCES -- Chapter 29. Intelligent Image Processing Systems -- Introduction -- 1. INTELLIGENT PERCEPTION -- 2. A MODEL FOR THE INTELLIGENT PERCEPTION -- 3. DATA COMBINATION -- 4. DECISION AND RESPONSE -- 5. A SYSTEM FOR INTELLIGENT PERCEPTION -- AKNOWLEDGMENT -- BIBLIOGRAPHY -- Chapter 30. The classification problem in the reduced pecstral space -- Abstract -- 1. INTRODUCTION -- 2. THE PECSTRAL SPACE -- 3. THE TRANSFORMATION PROCESS -- 4. EXPERIMENTAL PROCEDURE -- 5. CONCLUSIONS -- 6. REFERENCES -- CHAPTER 31. MODELING EXPERTISE IN PLANNING BIOMEDICAL IMAGE INTERPRETATION -- ABSTRACT -- 1. INTRODUCTION AND BACKGROUND -- 2. OBJECT-CENTERED PLANNING FOR RECOGNITION AND ANALYSIS -- 3. MODELING ANATOMICAL OBJECTS -- 4. GENERATINGA PLAN -- 5.CONCLUSIONS -- ACKNOWLEDGMENTS -- References -- Chapter 32. Categorizing Objects in the Environment: A Data Model and Organization for Vision -- Abstract -- 1. INTRODUCTION -- 2. SYSTEM ARCHITECTURE -- 3. DATA MODEL AND ORGANIZATION -- 4. CONCURRENCY -- 5. OBJECT RECOGNITION -- 6. CONCLUSIONS -- 7. REFERENCES -- Chapter 33. Parallel Methods for Recovering Surface Shape from Image Shading -- Abstract. , 1. INTRODUCTION.
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  • 2
    Online Resource
    Online Resource
    New York, NY :Springer,
    Keywords: Computer software-Development. ; Science-Data processing. ; Electronic books.
    Type of Medium: Online Resource
    Pages: 1 online resource (213 pages)
    Edition: 1st ed.
    ISBN: 9781468470741
    Series Statement: The IMA Volumes in Mathematics and Its Applications Series ; v.14
    DDC: 502/.85/53
    Language: English
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  • 3
    Publication Date: 2024-03-11
    Description: We used environmental niche modelling along with the best available species occurrence data and environmental parameters to model habitat suitability for key cold-water coral and commercially important deep-sea fish species under present-day (1951-2000) environmental conditions and to forecast changes under severe, high emissions future (2081-2100) climate projections (RCP8.5 scenario) for the North Atlantic Ocean (from 18°N to 76°N and 36°E to 98°W). The VME indicator taxa included Lophelia pertusa , Madrepora oculata, Desmophyllum dianthus, Acanela arbuscula, Acanthogorgia armata, and Paragorgia arborea. The six deep-sea fish species selected were: Coryphaenoides rupestris, Gadus morhua, blackbelly Helicolenus dactylopterus, Hippoglossoides platessoides, Reinhardtius hippoglossoides, and Sebastes mentella. We used an ensemble modelling approach employing three widely-used modelling methods: the Maxent maximum entropy model, Generalized Additive Models, and Random Forest. This dataset contains: 1) Predicted habitat suitability index under present-day (1951-2000) and future (2081-2100; RCP8.5) environmental conditions for twelve deep-sea species in the North Atlantic Ocean, using an ensemble modelling approach.  2) Climate-induced changes in the suitable habitat of twelve deep-sea species in the North Atlantic Ocean, as determined by binary maps built with an ensemble modelling approach and the 10-percentile training presence logistic (10th percentile) threshold. 3) Forecasted present-day suitable habitat loss (value=-1), gain (value=1), and acting as climate refugia (value=2) areas under future (2081-2100; RCP8.5) environmental conditions for twelve deep-sea species in the North Atlantic Ocean. Areas were identified from binary maps built with an ensemble modelling approach and two thresholds: 10-percentile training presence logistic threshold (10th percentile) and maximum sensitivity and specificity (MSS). Refugia areas are those areas predicted as suitable both under present-day and future conditions. All predictions were projected with the Albers equal-area conical projection centred in the middle of the study area. The grid cell resolution is of 3x3 km.
    Keywords: ATLAS; A Trans-Atlantic assessment and deep-water ecosystem-based spatial management plan for Europe; Climate change; cold-water corals; Deep-sea; File format; File name; File size; fisheries; fishes; habitat suitability modelling; octocorals; scleractinians; species distribution models; Uniform resource locator/link to file; vulnerable marine ecosystems
    Type: Dataset
    Format: text/tab-separated-values, 384 data points
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  • 4
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    Oceans and Law of the Sea, United Nations
    In:  EPIC3The First Global Integrated Marine Assessment, Chapter 36G: Arctic Ocean, New York, Oceans and Law of the Sea, United Nations, 47 p., pp. 1-47
    Publication Date: 2016-03-13
    Repository Name: EPIC Alfred Wegener Institut
    Type: Inbook , peerRev
    Format: application/pdf
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  • 5
    Publication Date: 2017-04-04
    Description: The source of repeating earthquakes on creeping faults is modeled as a weak asperity at a border between much larger locked and creeping patches on the fault plane. The x^(-1/2) decrease in stress concentration with distance x from the boundaryis shown to lead directly to the observed scaling 〈T〉~〈M0〉^(1/6) between the average repeat time and average scalar moment for a repeating sequence. The stress drop in such small events at the border depends on the size of the large locked patch. For a circular patch of radius R and representative fault parameters, Dr = 7.6(m/R)3/5 MPa, which yields stress drops between 0.08 and 0.5 MPa (0.8–5 bars) for R between 2 km and 100 m. These low stress drops are consistent with estimates of stress drop for small earthquakes based on their seismic spectra. However, they are orders of magnitude smaller than stress drops calculated under the assumption that repeating sources are isolated stuck asperities on an otherwise creeping fault plane, whose seismic slips keep pace with the surrounding creep rate. Linear streaks of microearthquakes observed on creeping fault planes are trivially explained by the present model as alignments on the boundaries between locked and creeping patches.
    Description: NSF grants NSF-EAR-9902901 (CGS) and EAR-9805182 (JRR)
    Description: Published
    Description: 532-537
    Description: open
    Keywords: 04. Solid Earth::04.06. Seismology::04.06.01. Earthquake faults: properties and evolution ; 04. Solid Earth::04.06. Seismology::04.06.03. Earthquake source and dynamics
    Repository Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
    Type: article , article
    Format: 197949 bytes
    Format: application/pdf
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  • 6
    Publication Date: 2016-09-06
    Description: Reliable statements about variability and change in marine ecosystems and their underlying causes are needed to report on their status and to guide management. Here we use the Framework on Ocean Observing (FOO) to begin developing ecosystem Essential Ocean Variables (eEOVs) for the Southern Ocean Observing System (SOOS). An eEOV is a defined biological or ecological quantity, which is derived from field observations, and which contributes significantly to assessments of Southern Ocean ecosystems. Here, assessments are concerned with estimating status and trends in ecosystem properties, attribution of trends to causes, and predicting future trajectories. eEOVs should be feasible to collect at appropriate spatial and temporal scales and are useful to the extent that they contribute to direct estimation of trends and/or attribution, and/or development of ecological (statistical or simulation) models to support assessments. In this paper we outline the rationale, including establishing a set of criteria, for selecting eEOVs for the SOOS and develop a list of candidate eEOVs for further evaluation. Other than habitat variables, nine types of eEOVs for Southern Ocean taxa are identified within three classes: state (magnitude, genetic/species, size spectrum), predator–prey (diet, foraging range), and autecology (phenology, reproductive rate, individual growth rate, detritus). Most candidates for the suite of Southern Ocean taxa relate to state or diet. Candidate autecological eEOVs have not been developed other than for marine mammals and birds.Wec onsider some of the spatial and temporal issues that will influence the adoption and use of eEOVs in an observing system in the Southern Ocean, noting that existing operations and platforms potentially provide coverage of the four main sectors of the region—the East and West Pacific, Atlantic and Indian. Lastly, we discuss the importance of simulation modelling in helping with the design of the observing system in the long term. Regional boundary: south of 30°S.
    Repository Name: EPIC Alfred Wegener Institut
    Type: Article , isiRev
    Format: application/pdf
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  • 7
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    In:  http://aquaticcommons.org/id/eprint/21260 | 9596 | 2020-08-21 17:09:39 | 21260 | Gulf and Caribbean Fisheries Institute
    Publication Date: 2021-07-14
    Keywords: Fisheries ; GCFI
    Repository Name: AquaDocs
    Type: conference_item
    Format: application/pdf
    Format: application/pdf
    Format: 328-328
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  • 8
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    In:  http://aquaticcommons.org/id/eprint/21261 | 9596 | 2020-08-25 04:10:38 | 21261 | Gulf and Caribbean Fisheries Institute
    Publication Date: 2021-07-14
    Keywords: Fisheries ; GCFI
    Repository Name: AquaDocs
    Type: conference_item
    Format: application/pdf
    Format: application/pdf
    Format: 328-328
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  • 9
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    In:  Tectonic Faults : Agents of Change on a Dynamic Earth | Dahlem workshop report ; 95
    Publication Date: 2020-02-12
    Keywords: 550 - Earth sciences
    Type: info:eu-repo/semantics/bookPart
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  • 10
    Publication Date: 2023-07-03
    Description: Glacial Lake Outburst Floods (GLOFs) are a major hazard in high mountain areas, and can significantly impact transportation infrastructure, human settlements, water supplies, agricultural land, and important cultural and religious locations. Dynamic flow models are widely used for hazard assessment, preparedness planning and to support Early Warning Systems for other destructive sediment flows including flash floods and debris flows, and here we present results of their application and calibration for GLOFs. We use the LaharFlow model (www.laharflow.bristol.ac.uk), a dynamic sediment flow model for hazard assessment, which solves conservation equations for mass and momentum under the shallow layer approximation, to compute the flow dynamic properties. LaharFlow includes parameterizations for erosion and deposition, and the variation in flow solids concentration, friction and landscape change that result, and is freely-available as a webtool. We applied the model to recent case studies that represent a range of GLOF sizes: at Ghulkin (Pakistan, 2022), Shisper (Pakistan, 2020) and Lemthang Tsho (Bhutan, 2015), and also to potential future impacts on Paro (Bhutan). Source conditions were constrained using estimates of lake volumes and idealised hydrographs corresponding to an instantaneous moraine wall failure and slow drainage. The modelling shows good agreement for observed flow depths, speeds, erosion patterns and arrival times using parameters calibrated for other large debris flow settings. For the Paro example, we show how dynamic models can be used to identify locations for, and calibrate, early warning systems, and to assess potential impacts of GLOFs on communities living in high mountain environments.
    Language: English
    Type: info:eu-repo/semantics/conferenceObject
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