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Author: John William McManus
Publisher:
ISBN:
Category : Blackboard systems (Computer programs)
Languages : en
Pages : 680
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Book Description
Author: John William McManus
Publisher:
ISBN:
Category : Blackboard systems (Computer programs)
Languages : en
Pages : 680
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Book Description
Author: J. A. Kaplan
Publisher:
ISBN:
Category : Artificial intelligence
Languages : en
Pages : 30
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Book Description
In his 1992 Ph.D. thesis "Design and analysis techniques for concurrent blackboard systems", John McManus defined several performance metrics for concurrent blackboard systems and developed a suite of tools for creating and analyzing such systems. These tools allow a user to analyze a concurrent blackboard system design and predict the performance of the system before any code is written. The design can be modified until simulated performance is satisfactory. Then, the code generator can be invoked to generate automatically all of the code required for the concurrent blackboard system except for the code implementing the functionality of each knowledge source. We have completed the port of the source code generator and a simulator for a concurrent blackboard system. The source code generator generates the necessary C++ source code to implement the concurrent blackboard system using Parallel Virtual Machine (PVM) running on a heterogeneous network of UNIX workstations. The concurrent blackboard simulator uses the blackboard specification file to predict the performance of the concurrent blackboard design. The only part of the source code for the concurrent blackboard system that the user must supply is the code implementing the functionality of the knowledge sources.
Author: National Aeronautics and Space Adm Nasa
Publisher: Independently Published
ISBN: 9781724003768
Category : Science
Languages : en
Pages : 40
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Book Description
In his 1992 Ph.D. thesis, "Design and Analysis Techniques for Concurrent Blackboard Systems," John McManus defined several performance metrics for concurrent blackboard systems and developed a suite of tools for creating and analyzing such systems. These tools allow a user to analyze a concurrent blackboard system design and predict the performance of the system before any code is written. The design can be modified until simulated performance is satisfactory. Then, the code generator can be invoked to generate automatically all of the code required for the concurrent blackboard system except for the code implementing the functionality of each knowledge source. We have completed the port of the source code generator and a simulator for a concurrent blackboard system. The source code generator generates the necessary C++ source code to implement the concurrent blackboard system using Parallel Virtual Machine (PVM) running on a heterogeneous network of UNIX(trademark) workstations. The concurrent blackboard simulator uses the blackboard specification file to predict the performance of the concurrent blackboard design. The only part of the source code for the concurrent blackboard system that the user must supply is the code implementing the functionality of the knowledge sources. Kaplan, J. A. and McManus, J. W. and Bynum, W. L. Langley Research Center NASA/TM-1999-209128, NAS 1.15:209128, L-17823
Author: V. Jagannathan
Publisher: Elsevier
ISBN: 0323163181
Category : Technology & Engineering
Languages : en
Pages : 556
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Book Description
Blackboard Architectures and Applications focuses on studies done on blackboard architecture in the industries and academe. Particularly given value is the role this paradigm plays in distributed problem solving, parallelism, and intelligent real-time systems. Composed of 21 chapters, the book contains the literature of authors who have diligently conducted studies on this concern. The book starts by discussing the blackboard model of problem solving, including control and organization, wherein goal relationships and their use in blackboard architecture are noted. Also given attention are BBI basic control loop, an empirical comparison of explicit and implicit control architectures, and the dynamic integration of reasoning methods. The book then proceeds with discussions on the concurrency and parallelism of advanced architectures. Taken into consideration include design alternatives for parallel and distributed blackboard systems; the parallelization of blackboard architectures and the Agora system; and a comparison of the cage system and polygon architecture. Real-time blackboard architecture systems are also explored. This part contains experiments, frameworks, and methods designed to approximate processing in real-time problem solving. The text also points at developments in blackboard systems. Given attention are the architecture of ATOME, performance of GBB, the Erasmus system, and the use of blackboard system for distributed problem solving. The book finally focuses on object-oriented blackboard architecture for model-based diagnostic reasoning; dynamic instructional planning in the BB1 architecture; and consideration of blackboard model for cockpit information management. The book is a vital source of data for those wanting to explore the potential of artificial intelligence.
Author:
Publisher:
ISBN:
Category : Aeronautics
Languages : en
Pages : 426
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Book Description
Author: Gunasekaran, Angappa
Publisher: IGI Global
ISBN: 1599048299
Category : Computers
Languages : en
Pages : 408
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Book Description
Inter-organizational information systems play a major role in improving communication and integration between partnering firms to achieve an integrated global supply chain. Current research in enterprise resource planning and electronic commerce is crucial to maintaining efficient supply chain management and organizational competitiveness. Techniques and Tools for the Design & Implementation of Enterprise Information Systems enables libraries to provide an invaluable resource to academicians and practitioners in fields such as operations management, Web engineering, information technology, and management information systems, providing insight into the effective design and implementation of enterprise information systems to improve communication and integration between partnering firms to achieve an integrated global supply chain.
Author:
Publisher:
ISBN:
Category : Avionics
Languages : en
Pages : 616
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Book Description
Author: John P.T. Mo
Publisher: Springer
ISBN: 0387354123
Category : Computers
Languages : en
Pages : 511
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Book Description
The availability of effective global communication facilities in the last decade has changed the business goals of many manufacturing enterprises. They need to remain competitive by developing products and processes which are specific to individual requirements, completely packaged and manufactured globally. Networks of enterprises are formed to operate across time and space with world-wide distributed functions such as manufacturing, sales, customer support, engineering, quality assurance, supply chain management and so on. Research and technology development need to address architectures, methodologies, models and tools supporting intra- and inter-enterprise operation and management. Throughout the life cycle of products and enterprises there is the requirement to transform information sourced from globally distributed offices and partners into knowledge for decision and action. Building on the success of previous DrrSM conferences (Tokyo 1993, Eindhoven 1996, Fort Worth 1998), the fourth International Conference on Design of Information Infrastructure Systems for Manufacturing (DrrSM 2000) aims to: • Establish and manage the dynamics of virtual enterprises, define the information system requirements and develop solutions; • Develop and deploy information management in multi-cultural systems with universal applicability of the proposed architecture and solutions; • Develop enterprise integration architectures, methodologies and information infrastructure support for reconfigurable enterprises; • Explore information transformation into knowledge for decision and action by machine and skilful people; These objectives reflect changes of the business processes due to advancements of information and communication technologies (ICT) in the last couple of years.
Author: Edward J. Haug
Publisher: Springer Science & Business Media
ISBN: 3642781195
Category : Computers
Languages : en
Pages : 987
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Book Description
These proceedings contain lectures presented at the NATO Advanced Study Institute on Concurrent Engineering Tools and Technologies for Mechanical System Design held in Iowa City, Iowa, 25 May -5 June, 1992. Lectures were presented by leaders from Europe and North America in disciplines contributing to the emerging international focus on Concurrent Engineering of mechanical systems. Participants in the Institute were specialists from throughout NATO in disciplines constituting Concurrent Engineering, many of whom presented contributed papers during the Institute and all of whom participated actively in discussions on technical aspects of the subject. The proceedings are organized into the following five parts: Part 1 Basic Concepts and Methods Part 2 Application Sectors Part 3 Manufacturing Part 4 Design Sensitivity Analysis and Optimization Part 5 Virtual Prototyping and Human Factors Each of the parts is comprised of papers that present state-of-the-art concepts and methods in fields contributing to Concurrent Engineering of mechanical systems. The lead-off papers in each part are based on invited lectures, followed by papers based on contributed presentations made by participants in the Institute.
Author: Jens Blauert
Publisher: Springer Nature
ISBN: 3030003868
Category : Science
Languages : en
Pages : 815
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Book Description
Sound, devoid of meaning, would not matter to us. It is the information sound conveys that helps the brain to understand its environment. Sound and its underlying meaning are always associated with time and space. There is no sound without spatial properties, and the brain always organizes this information within a temporal–spatial framework. This book is devoted to understanding the importance of meaning for spatial and related further aspects of hearing, including cross-modal inference. People, when exposed to acoustic stimuli, do not react directly to what they hear but rather to what they hear means to them. This semiotic maxim may not always apply, for instance, when the reactions are reflexive. But, where it does apply, it poses a major challenge to the builders of models of the auditory system. Take, for example, an auditory model that is meant to be implemented on a robotic agent for autonomous search-&-rescue actions. Or think of a system that can perform judgments on the sound quality of multimedia-reproduction systems. It becomes immediately clear that such a system needs • Cognitive capabilities, including substantial inherent knowledge • The ability to integrate information across different sensory modalities To realize these functions, the auditory system provides a pair of sensory organs, the two ears, and the means to perform adequate preprocessing of the signals provided by the ears. This is realized in the subcortical parts of the auditory system. In the title of a prior book, the term Binaural Listening is used to indicate a focus on sub-cortical functions. Psychoacoustics and auditory signal processing contribute substantially to this area. The preprocessed signals are then forwarded to the cortical parts of the auditory system where, among other things, recognition, classification, localization, scene analysis, assignment of meaning, quality assessment, and action planning take place. Also, information from different sensory modalities is integrated at this level. Between sub-cortical and cortical regions of the auditory system, numerous feedback loops exist that ultimately support the high complexity and plasticity of the auditory system. The current book concentrates on these cognitive functions. Instead of processing signals, processing symbols is now the predominant modeling task. Substantial contributions to the field draw upon the knowledge acquired by cognitive psychology. The keyword Binaural Understanding in the book title characterizes this shift. Both books, The Technology of Binaural Listening and the current one, have been stimulated and supported by AABBA, an open research group devoted to the development and application of models of binaural hearing. The current book is dedicated to technologies that help explain, facilitate, apply, and support various aspects of binaural understanding. It is organized into five parts, each containing three to six chapters in order to provide a comprehensive overview of this emerging area. Each chapter was thoroughly reviewed by at least two anonymous, external experts. The first part deals with the psychophysical and physiological effects of Forming and Interpreting Aural Objects as well as the underlying models. The fundamental concepts of reflexive and reflective auditory feedback are introduced. Mechanisms of binaural attention and attention switching are covered—as well as how auditory Gestalt rules facilitate binaural understanding. A general blackboard architecture is introduced as an example of how machines can learn to form and interpret aural objects to simulate human cognitive listening. The second part, Configuring and Understanding Aural Space, focuses on the human understanding of complex three-dimensional environments—covering the psychological and biological fundamentals of auditory space formation. This part further addresses the human mechanisms used to process information and interact in complex reverberant environments, such as concert halls and forests, and additionally examines how the auditory system can learn to understand and adapt to these environments. The third part is dedicated to Processing Cross-Modal Inference and highlights the fundamental human mechanisms used to integrate auditory cues with cues from other modalities to localize and form perceptual objects. This part also provides a general framework for understanding how complex multimodal scenes can be simulated and rendered. The fourth part, Evaluating Aural-scene Quality and Speech Understanding, focuses on the object-forming aspects of binaural listening and understanding. It addresses cognitive mechanisms involved in both the understanding of speech and the processing of nonverbal information such as Sound Quality and Quality-of- Experience. The aesthetic judgment of rooms is also discussed in this context. Models that simulate underlying human processes and performance are covered in addition to techniques for rendering virtual environments that can then be used to test these models. The fifth part deals with the Application of Cognitive Mechanisms to Audio Technology. It highlights how cognitive mechanisms can be utilized to create spatial auditory illusions using binaural and other 3D-audio technologies. Further, it covers how cognitive binaural technologies can be applied to improve human performance in auditory displays and to develop new auditory technologies for interactive robots. The book concludes with the application of cognitive binaural technologies to the next generation of hearing aids.
