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Proceedings of the Nordic Signal Processing Symposium (NORSIG)

作者： D. Heric B. Potocnik Faculty of Laboratory of Electrical Engineering and Computer Science System Software Laboratory University of Maribor Maribor Slovenia

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A locking protocol for distributed file systems

A locking protocol for distributed file systems

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5th International Conference, PDCAT 2004

作者： No, Jaechun Kim, Hyo Park, Sung Soon Dept. of Computer Software Coll. of Electron. and Info. Eng. Sejong University Seoul Korea Republic of System Software Laboratory MacroImpact Inc. Gangnam-gu Seoul Korea Republic of Dept. of Comp. Sci. and Engineering College of Science and Engineering Anyang University Anyang Korea Republic of

In this paper, we present a distributed locking protocol that enables multiple client nodes to simultaneously write their data to distinct data portions of a file, while providing the consistent view of client cached ... 详细信息

关键词： Network protocols

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An architecture design of the intelligent agent for speech recognition and translation

An architecture design of the intelligent agent for speech r...

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IEEE Region 10 International Conference TENCON

作者： A.M.B. Ahmad A.N.B.A. Nordin E.H.M. Saaim Den Fairol bin Samaon M.D.B. Ibrahim Speech Recognition Laboratory Department of Software Engineering Faculty of Computer Science and Information System University of Technology Malaysia

An architecture design of the intelligent agent for speech recognition and translation is presented in this paper. The design involves the agent architecture and the method of the agent is used. The architecture design shows the relationship between the intelligent agent and speech recognition also translation. The intelligent agent for speech recognition is called S-AGENT and T-AGENT for translation. The purpose of the S-AGENT is to facilitate for transmitting the speech data via Internet or network. The S-AGENT is acting as a data transmit control to ensure the transmitted speech data is securely delivered. The task of the T-AGENT is different from the S-AGENT. The T-AGENT is acting as information retrieval. It processes the output from the speech recognition and translates the output based on its information memory database. If the information cannot be found on its memory, it searches the information required from the database dictionary provided. At the same time, it learns the information and saves the information to its memory for the future purpose.

关键词： Intelligent agent Speech recognition computer architecture Speech processing Data mining IP networks Databases Decoding Dictionaries Internet

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Design and Implementation of Distributed Numerical Control in Flexible Manufacturing system

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Journal of Donghua University(English Edition) 2004年第1期21卷 1-6页

作者：周炳海余传猛奚立峰曹永上 School of Mechanical Engineering Shanghai Jiaotong University Shanghai 200030 School of Mechanical Engineering Shanghai University of Engineering Science Shanghai 200336 School of Mechanical Engineering Shanghai Jiaotong University Shanghai 200030 School of Mechanical Engineering Shanghai University of Engineering Science Shanghai 200336o monitor control and manage the work process of computer numerical control machine tools in a flexible manufacturing system (FMS) effectively the distributed numerical coutrol (distributed-NC) software should be innovated with the characteristics of modularization and reconfiguration. In this paper firstly distributed-NC functions in the FMS environment are described. Then we present a design and development method of the real time distributed-NC that is on the basis of the re-coufigurable software and hardware platform and with an object-oriented model concept. Finally to verify the proposed method the distributed-NC software has been implemented in VC++ 6.0 and has been tested in connection with the different physical flexible manufacturing shops.

To monitor, control and manage the work process of computer numerical control machine tools in a flexible manufacturing system (FMS) effectively, the distributed numerical coutrol (distributed-NC) software should be innovated with the characteristics of modularization and reconfiguration. In this paper, firstly, distributed-NC functions in the FMS environment are described. Then, we present a design and development method of the real time distributed-NC that is on the basis of the re-coufigurable software and hardware platform and with an object-oriented model concept. Finally, to verify the proposed method, the distributed-NC software has been implemented in VC++ 6.0 and has been tested in connection with the different physical flexible manufacturing shops.

关键词： flexible manufacturing system distributed numerical control communication protocol computer numerical control.

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Study on column wise design compaction for reconfigurable systems

Study on column wise design compaction for reconfigurable sy...

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IEEE International Conference on Field-Programmable Technology (FPT)

作者： H. Kalte G. Lee M. Porrmann U. Ruckert University of Western Australia School of Computer Science & Software Engineering Crawley WA Australia System and Circuit Technology University of Paderborn Paderborn Germany

Some of currently available field programmable gate arrays (FPGAs) can be reconfigured partially, which makes it possible to build up dynamic systems that can be adapted to changing demands during runtime. One basic aspect of such a system is the way the dynamic hardware modules are placed on the FPGA. As most FPGAs offer partial reconfiguration in a column wise manner, a 1D placement of column wise implemented modules seems to be promising. Within This work we present a design study that determines the effects of a column wise module implementation on the resulting frequency and power consumption.

关键词： Compaction Field programmable gate arrays Frequency Energy consumption Hardware Circuits Digital signal processing computer science Road transportation Runtime

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Algorithmic-Parameter optimization of a parallelized split-step fourier transform using a modified BSP cost model 04

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Proceedings of the Second international conference on Parallel and Distributed Processing and Applications

作者： Elankovan Sundararajan Malin Premaratne Shanika Karunasekera Aaron Harwood Department of Computer Science and Software Engineering The University of Melbourne Carlton Victoria Australia Advanced Computing and Simulation Laboratory Department for Electrical and Computer System Engineering Monash University Clayton Victoria Australia

ISBN: (纸本)9783540241287

Adaptive algorithms are increasingly acknowledged in leading parallel and distributed research. In the past, algorithms were manually tuned to be executed efficiently on a particular architecture. However, interest has shifted towards algorithms that can adapt themselves to the computational resources. A cost model representing the behavior of the system (i.e. system parameters) and the algorithm (i.e algorithm parameters) plays an important role in adaptive parallel algorithms. In this paper, we contribute a computational model based on Bulk Synchronous Parallel processing that predicts performance of a parallelized split-step Fourier transform. We extracted the system parameters of a cluster (upon which our algorithm was executed) and showed the use of an algorithmic parameter in the model that exhibits optimal behavior. Our model can thus be used for the purpose of self-adaption.

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Recurrent neural network with backpropagation through time for speech recognition

Recurrent neural network with backpropagation through time f...

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International Symposium on Communications and Information Technologies (ISCIT)

作者： A.M. Ahmad S. Ismail D.F. Samaon Universiti Teknologi Malaysia Malaysia Department of Software Engineering Faculty of Computer Science and Information System Universiti Teknologi Malaysia Skudai Johor Malaysia

Speech recognition and understanding have been studied for many years. The neural network is well-known as a technique that is able to classify nonlinear problems. Much research has been done in applying neural networks to solving the problem of recognizing speech such as Arabic. Arabic offers a number of challenges to speech recognition. We propose a fully-connected hidden layer between the input and state nodes and the output. We also investigate and show that this hidden layer makes the learning of complex classification tasks more efficient. We also investigate the difference between LPCC (linear predictive cepstrum coefficients) and MFCC (Mel-frequency cepstral coefficients) in the feature extraction process. The aim of the study was to observe the differences in the 29 letters of the Arabic alphabet from "alif" to "ya". The purpose of this research is to upgrade the knowledge and understanding of Arabic alphabet or words using a fully-connected recurrent neural network (FCRNN) and backpropagation through time (BPTT) learning algorithm. Six speakers (a mixture of male and female) in a quiet environment are used in training.

关键词： Recurrent neural networks Backpropagation Speech recognition Neurofeedback Neural networks Natural languages Writing Neurons software engineering computer science

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Algorithmic-parameter optimization of a parallelized split-step Fourier transform using a modified BSP cost model

Lecture Notes in Computer Science (including subseries Lectu...

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Lecture Notes in computer science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) 2004年 3358卷 233-244页

作者： Sundararajan, Elankovan Premaratne, Malin Karunasekera, Shanika Harwood, Aaron Department of Computer Science and Software Engineering University of Melbourne ICT Building 111 Barry Street Carlton Vic. 3053 Australia Advanced Computing and Simulation Laboratory Department for Electrical and Computer System Engineering Monash University Clayton Vic. 3800 Australia

关键词： Adaptive algorithms

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A practical approach: Localization-based global metadata registry for progressive data integration

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Journal of Information and Knowledge Management 2003年第4期2卷 391-401页

作者： Jeong, Dongwon Baik, Doo-Kwon Park, Soo-Hyun Software System Laboratory Department of Computer Science and Engineering Korea University South Korea School of Business IT Kookmin University South Korea

Until now, many researches based on metadata have been studied for data integration in various fields. However, there exists a problem in that the existing approaches still require much cost to build an initial guideline, which is sometimes called as a registry, global metadata set. The most critical problem of existing researches is that the researches have not been seriously considered on the corresponding domain properties- data level and user level. Most of all, it is difficult to create a standardized guideline on the entire data with the restricted cost. In this paper, we propose a method to progressively integrate databases considering the domain properties under limited cost. For instance, in scientific data, general users are interested in the simple and easy scientific data, which has low complexity. On the other hand, scientists or experts can utilize more detailed and specialized data as well as the general data. It means that an initial data quantity to be integrated is determined by the relationship of the domain properties. We show the implementation results of applying it to scientific data managed by Korea Institute of science and Technology Information. The proposed method provides a progressive data integration mechanism, and especially it gives successful and efficient output on the creation of a standard guideline in the situation where the given cost is limited. © 2003 iKMS & World Scientific Publishing Company.

关键词： data element dynamic metadata management Metadata metadata registries

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Architecture of the virtual training system for buoyancy control 03

Architecture of the virtual training system for buoyancy con...

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9th EUROGRAPHICS Workshop on Virtual Environments, EGVE 2003

作者： Korošec, Dean Slavinec, Mitja Bernad, Dani Kolarič, Primož Prnaver, Katja University of Maribor Faculty of Electrical Engineering and Computer Science System Software Laboratory Slovenia University of Maribor Faculty of Education Department of Physics Slovenia Regional Development Agency Mura Murska Sobota Slovenia

ISBN: (纸本)1581136862

In this paper we present the structure of the simulator which would allow diving beginners to experience the effect of buoyancy control mechanisms before actually entering the *** believe such training would be less stressful and safer for all participants, but it should also reduce the time in water needed to manage basic practical diving skills. Central design requirements for the system were: realistic modelling of diving physics, various options of man-machine interface and possibility of immersion. With future studies we plan to clarify to what extent the immersive VR interfaces are able to further improve the diving training experience. © 2003 The Eurographics Association.

关键词： E-learning

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